rict type). * @param WP_Post_Type $post_type Post type object. */ return true === apply_filters( 'is_post_type_viewable', $is_viewable, $post_type ); } /** * Determine whether a post status is considered "viewable". * * For built-in post statuses such as publish and private, the 'public' value will be evaluated. * For all others, the 'publicly_queryable' value will be used. * * @since 5.7.0 * @since 5.9.0 Added `is_post_status_viewable` hook to filter the result. * * @param string|stdClass $post_status Post status name or object. * @return bool Whether the post status should be considered viewable. */ function is_post_status_viewable( $post_status ) { if ( is_scalar( $post_status ) ) { $post_status = get_post_status_object( $post_status ); if ( ! $post_status ) { return false; } } if ( ! is_object( $post_status ) || $post_status->internal || $post_status->protected ) { return false; } $is_viewable = $post_status->publicly_queryable || ( $post_status->_builtin && $post_status->public ); /** * Filters whether a post status is considered "viewable". * * The returned filtered value must be a boolean type to ensure * `is_post_status_viewable()` only returns a boolean. This strictness * is by design to maintain backwards-compatibility and guard against * potential type errors in PHP 8.1+. Non-boolean values (even falsey * and truthy values) will result in the function returning false. * * @since 5.9.0 * * @param bool $is_viewable Whether the post status is "viewable" (strict type). * @param stdClass $post_status Post status object. */ return true === apply_filters( 'is_post_status_viewable', $is_viewable, $post_status ); } /** * Determine whether a post is publicly viewable. * * Posts are considered publicly viewable if both the post status and post type * are viewable. * * @since 5.7.0 * * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post. * @return bool Whether the post is publicly viewable. */ function is_post_publicly_viewable( $post = null ) { $post = get_post( $post ); if ( ! $post ) { return false; } $post_type = get_post_type( $post ); $post_status = get_post_status( $post ); return is_post_type_viewable( $post_type ) && is_post_status_viewable( $post_status ); } /** * Retrieves an array of the latest posts, or posts matching the given criteria. * * For more information on the accepted arguments, see the * {@link https://developer.wordpress.org/reference/classes/wp_query/ * WP_Query} documentation in the Developer Handbook. * * The `$ignore_sticky_posts` and `$no_found_rows` arguments are ignored by * this function and both are set to `true`. * * The defaults are as follows: * * @since 1.2.0 * * @see WP_Query * @see WP_Query::parse_query() * * @param array $args { * Optional. Arguments to retrieve posts. See WP_Query::parse_query() for all available arguments. * * @type int $numberposts Total number of posts to retrieve. Is an alias of `$posts_per_page` * in WP_Query. Accepts -1 for all. Default 5. * @type int|string $category Category ID or comma-separated list of IDs (this or any children). * Is an alias of `$cat` in WP_Query. Default 0. * @type int[] $include An array of post IDs to retrieve, sticky posts will be included. * Is an alias of `$post__in` in WP_Query. Default empty array. * @type int[] $exclude An array of post IDs not to retrieve. Default empty array. * @type bool $suppress_filters Whether to suppress filters. Default true. * } * @return WP_Post[]|int[] Array of post objects or post IDs. */ function get_posts( $args = null ) { $defaults = array( 'numberposts' => 5, 'category' => 0, 'orderby' => 'date', 'order' => 'DESC', 'include' => array(), 'exclude' => array(), 'meta_key' => '', 'meta_value' => '', 'post_type' => 'post', 'suppress_filters' => true, ); $parsed_args = wp_parse_args( $args, $defaults ); if ( empty( $parsed_args['post_status'] ) ) { $parsed_args['post_status'] = ( 'attachment' === $parsed_args['post_type'] ) ? 'inherit' : 'publish'; } if ( ! empty( $parsed_args['numberposts'] ) && empty( $parsed_args['posts_per_page'] ) ) { $parsed_args['posts_per_page'] = $parsed_args['numberposts']; } if ( ! empty( $parsed_args['category'] ) ) { $parsed_args['cat'] = $parsed_args['category']; } if ( ! empty( $parsed_args['include'] ) ) { $incposts = wp_parse_id_list( $parsed_args['include'] ); $parsed_args['posts_per_page'] = count( $incposts ); // Only the number of posts included. $parsed_args['post__in'] = $incposts; } elseif ( ! empty( $parsed_args['exclude'] ) ) { $parsed_args['post__not_in'] = wp_parse_id_list( $parsed_args['exclude'] ); } $parsed_args['ignore_sticky_posts'] = true; $parsed_args['no_found_rows'] = true; $get_posts = new WP_Query; return $get_posts->query( $parsed_args ); } // // Post meta functions. // /** * Adds a meta field to the given post. * * Post meta data is called "Custom Fields" on the Administration Screen. * * @since 1.5.0 * * @param int $post_id Post ID. * @param string $meta_key Metadata name. * @param mixed $meta_value Metadata value. Must be serializable if non-scalar. * @param bool $unique Optional. Whether the same key should not be added. * Default false. * @return int|false Meta ID on success, false on failure. */ function add_post_meta( $post_id, $meta_key, $meta_value, $unique = false ) { // Make sure meta is added to the post, not a revision. $the_post = wp_is_post_revision( $post_id ); if ( $the_post ) { $post_id = $the_post; } return add_metadata( 'post', $post_id, $meta_key, $meta_value, $unique ); } /** * Deletes a post meta field for the given post ID. * * You can match based on the key, or key and value. Removing based on key and * value, will keep from removing duplicate metadata with the same key. It also * allows removing all metadata matching the key, if needed. * * @since 1.5.0 * * @param int $post_id Post ID. * @param string $meta_key Metadata name. * @param mixed $meta_value Optional. Metadata value. If provided, * rows will only be removed that match the value. * Must be serializable if non-scalar. Default empty. * @return bool True on success, false on failure. */ function delete_post_meta( $post_id, $meta_key, $meta_value = '' ) { // Make sure meta is deleted from the post, not from a revision. $the_post = wp_is_post_revision( $post_id ); if ( $the_post ) { $post_id = $the_post; } return delete_metadata( 'post', $post_id, $meta_key, $meta_value ); } /** * Retrieves a post meta field for the given post ID. * * @since 1.5.0 * * @param int $post_id Post ID. * @param string $key Optional. The meta key to retrieve. By default, * returns data for all keys. Default empty. * @param bool $single Optional. Whether to return a single value. * This parameter has no effect if `$key` is not specified. * Default false. * @return mixed An array of values if `$single` is false. * The value of the meta field if `$single` is true. * False for an invalid `$post_id` (non-numeric, zero, or negative value). * An empty string if a valid but non-existing post ID is passed. */ function get_post_meta( $post_id, $key = '', $single = false ) { return get_metadata( 'post', $post_id, $key, $single ); } /** * Updates a post meta field based on the given post ID. * * Use the `$prev_value` parameter to differentiate between meta fields with the * same key and post ID. * * If the meta field for the post does not exist, it will be added and its ID returned. * * Can be used in place of add_post_meta(). * * @since 1.5.0 * * @param int $post_id Post ID. * @param string $meta_key Metadata key. * @param mixed $meta_value Metadata value. Must be serializable if non-scalar. * @param mixed $prev_value Optional. Previous value to check before updating. * If specified, only update existing metadata entries with * this value. Otherwise, update all entries. Default empty. * @return int|bool Meta ID if the key didn't exist, true on successful update, * false on failure or if the value passed to the function * is the same as the one that is already in the database. */ function update_post_meta( $post_id, $meta_key, $meta_value, $prev_value = '' ) { // Make sure meta is updated for the post, not for a revision. $the_post = wp_is_post_revision( $post_id ); if ( $the_post ) { $post_id = $the_post; } return update_metadata( 'post', $post_id, $meta_key, $meta_value, $prev_value ); } /** * Deletes everything from post meta matching the given meta key. * * @since 2.3.0 * * @param string $post_meta_key Key to search for when deleting. * @return bool Whether the post meta key was deleted from the database. */ function delete_post_meta_by_key( $post_meta_key ) { return delete_metadata( 'post', null, $post_meta_key, '', true ); } /** * Registers a meta key for posts. * * @since 4.9.8 * * @param string $post_type Post type to register a meta key for. Pass an empty string * to register the meta key across all existing post types. * @param string $meta_key The meta key to register. * @param array $args Data used to describe the meta key when registered. See * {@see register_meta()} for a list of supported arguments. * @return bool True if the meta key was successfully registered, false if not. */ function register_post_meta( $post_type, $meta_key, array $args ) { $args['object_subtype'] = $post_type; return register_meta( 'post', $meta_key, $args ); } /** * Unregisters a meta key for posts. * * @since 4.9.8 * * @param string $post_type Post type the meta key is currently registered for. Pass * an empty string if the meta key is registered across all * existing post types. * @param string $meta_key The meta key to unregister. * @return bool True on success, false if the meta key was not previously registered. */ function unregister_post_meta( $post_type, $meta_key ) { return unregister_meta_key( 'post', $meta_key, $post_type ); } /** * Retrieve post meta fields, based on post ID. * * The post meta fields are retrieved from the cache where possible, * so the function is optimized to be called more than once. * * @since 1.2.0 * * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`. * @return mixed An array of values. * False for an invalid `$post_id` (non-numeric, zero, or negative value). * An empty string if a valid but non-existing post ID is passed. */ function get_post_custom( $post_id = 0 ) { $post_id = absint( $post_id ); if ( ! $post_id ) { $post_id = get_the_ID(); } return get_post_meta( $post_id ); } /** * Retrieve meta field names for a post. * * If there are no meta fields, then nothing (null) will be returned. * * @since 1.2.0 * * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`. * @return array|void Array of the keys, if retrieved. */ function get_post_custom_keys( $post_id = 0 ) { $custom = get_post_custom( $post_id ); if ( ! is_array( $custom ) ) { return; } $keys = array_keys( $custom ); if ( $keys ) { return $keys; } } /** * Retrieve values for a custom post field. * * The parameters must not be considered optional. All of the post meta fields * will be retrieved and only the meta field key values returned. * * @since 1.2.0 * * @param string $key Optional. Meta field key. Default empty. * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`. * @return array|null Meta field values. */ function get_post_custom_values( $key = '', $post_id = 0 ) { if ( ! $key ) { return null; } $custom = get_post_custom( $post_id ); return isset( $custom[ $key ] ) ? $custom[ $key ] : null; } /** * Determines whether a post is sticky. * * Sticky posts should remain at the top of The Loop. If the post ID is not * given, then The Loop ID for the current post will be used. * * For more information on this and similar theme functions, check out * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ * Conditional Tags} article in the Theme Developer Handbook. * * @since 2.7.0 * * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`. * @return bool Whether post is sticky. */ function is_sticky( $post_id = 0 ) { $post_id = absint( $post_id ); if ( ! $post_id ) { $post_id = get_the_ID(); } $stickies = get_option( 'sticky_posts' ); if ( is_array( $stickies ) ) { $stickies = array_map( 'intval', $stickies ); $is_sticky = in_array( $post_id, $stickies, true ); } else { $is_sticky = false; } /** * Filters whether a post is sticky. * * @since 5.3.0 * * @param bool $is_sticky Whether a post is sticky. * @param int $post_id Post ID. */ return apply_filters( 'is_sticky', $is_sticky, $post_id ); } /** * Sanitizes every post field. * * If the context is 'raw', then the post object or array will get minimal * sanitization of the integer fields. * * @since 2.3.0 * * @see sanitize_post_field() * * @param object|WP_Post|array $post The post object or array * @param string $context Optional. How to sanitize post fields. * Accepts 'raw', 'edit', 'db', 'display', * 'attribute', or 'js'. Default 'display'. * @return object|WP_Post|array The now sanitized post object or array (will be the * same type as `$post`). */ function sanitize_post( $post, $context = 'display' ) { if ( is_object( $post ) ) { // Check if post already filtered for this context. if ( isset( $post->filter ) && $context == $post->filter ) { return $post; } if ( ! isset( $post->ID ) ) { $post->ID = 0; } foreach ( array_keys( get_object_vars( $post ) ) as $field ) { $post->$field = sanitize_post_field( $field, $post->$field, $post->ID, $context ); } $post->filter = $context; } elseif ( is_array( $post ) ) { // Check if post already filtered for this context. if ( isset( $post['filter'] ) && $context == $post['filter'] ) { return $post; } if ( ! isset( $post['ID'] ) ) { $post['ID'] = 0; } foreach ( array_keys( $post ) as $field ) { $post[ $field ] = sanitize_post_field( $field, $post[ $field ], $post['ID'], $context ); } $post['filter'] = $context; } return $post; } /** * Sanitizes a post field based on context. * * Possible context values are: 'raw', 'edit', 'db', 'display', 'attribute' and * 'js'. The 'display' context is used by default. 'attribute' and 'js' contexts * are treated like 'display' when calling filters. * * @since 2.3.0 * @since 4.4.0 Like `sanitize_post()`, `$context` defaults to 'display'. * * @param string $field The Post Object field name. * @param mixed $value The Post Object value. * @param int $post_id Post ID. * @param string $context Optional. How to sanitize the field. Possible values are 'raw', 'edit', * 'db', 'display', 'attribute' and 'js'. Default 'display'. * @return mixed Sanitized value. */ function sanitize_post_field( $field, $value, $post_id, $context = 'display' ) { $int_fields = array( 'ID', 'post_parent', 'menu_order' ); if ( in_array( $field, $int_fields, true ) ) { $value = (int) $value; } // Fields which contain arrays of integers. $array_int_fields = array( 'ancestors' ); if ( in_array( $field, $array_int_fields, true ) ) { $value = array_map( 'absint', $value ); return $value; } if ( 'raw' === $context ) { return $value; } $prefixed = false; if ( false !== strpos( $field, 'post_' ) ) { $prefixed = true; $field_no_prefix = str_replace( 'post_', '', $field ); } if ( 'edit' === $context ) { $format_to_edit = array( 'post_content', 'post_excerpt', 'post_title', 'post_password' ); if ( $prefixed ) { /** * Filters the value of a specific post field to edit. * * The dynamic portion of the hook name, `$field`, refers to the post * field name. * * @since 2.3.0 * * @param mixed $value Value of the post field. * @param int $post_id Post ID. */ $value = apply_filters( "edit_{$field}", $value, $post_id ); /** * Filters the value of a specific post field to edit. * * The dynamic portion of the hook name, `$field_no_prefix`, refers to * the post field name. * * @since 2.3.0 * * @param mixed $value Value of the post field. * @param int $post_id Post ID. */ $value = apply_filters( "{$field_no_prefix}_edit_pre", $value, $post_id ); } else { $value = apply_filters( "edit_post_{$field}", $value, $post_id ); } if ( in_array( $field, $format_to_edit, true ) ) { if ( 'post_content' === $field ) { $value = format_to_edit( $value, user_can_richedit() ); } else { $value = format_to_edit( $value ); } } else { $value = esc_attr( $value ); } } elseif ( 'db' === $context ) { if ( $prefixed ) { /** * Filters the value of a specific post field before saving. * * The dynamic portion of the hook name, `$field`, refers to the post * field name. * * @since 2.3.0 * * @param mixed $value Value of the post field. */ $value = apply_filters( "pre_{$field}", $value ); /** * Filters the value of a specific field before saving. * * The dynamic portion of the hook name, `$field_no_prefix`, refers * to the post field name. * * @since 2.3.0 * * @param mixed $value Value of the post field. */ $value = apply_filters( "{$field_no_prefix}_save_pre", $value ); } else { $value = apply_filters( "pre_post_{$field}", $value ); /** * Filters the value of a specific post field before saving. * * The dynamic portion of the hook name, `$field`, refers to the post * field name. * * @since 2.3.0 * * @param mixed $value Value of the post field. */ $value = apply_filters( "{$field}_pre", $value ); } } else { // Use display filters by default. if ( $prefixed ) { /** * Filters the value of a specific post field for display. * * The dynamic portion of the hook name, `$field`, refers to the post * field name. * * @since 2.3.0 * * @param mixed $value Value of the prefixed post field. * @param int $post_id Post ID. * @param string $context Context for how to sanitize the field. * Accepts 'raw', 'edit', 'db', 'display', * 'attribute', or 'js'. Default 'display'. */ $value = apply_filters( "{$field}", $value, $post_id, $context ); } else { $value = apply_filters( "post_{$field}", $value, $post_id, $context ); } if ( 'attribute' === $context ) { $value = esc_attr( $value ); } elseif ( 'js' === $context ) { $value = esc_js( $value ); } } // Restore the type for integer fields after esc_attr(). if ( in_array( $field, $int_fields, true ) ) { $value = (int) $value; } return $value; } /** * Make a post sticky. * * Sticky posts should be displayed at the top of the front page. * * @since 2.7.0 * * @param int $post_id Post ID. */ function stick_post( $post_id ) { $post_id = (int) $post_id; $stickies = get_option( 'sticky_posts' ); $updated = false; if ( ! is_array( $stickies ) ) { $stickies = array(); } else { $stickies = array_unique( array_map( 'intval', $stickies ) ); } if ( ! in_array( $post_id, $stickies, true ) ) { $stickies[] = $post_id; $updated = update_option( 'sticky_posts', array_values( $stickies ) ); } if ( $updated ) { /** * Fires once a post has been added to the sticky list. * * @since 4.6.0 * * @param int $post_id ID of the post that was stuck. */ do_action( 'post_stuck', $post_id ); } } /** * Un-stick a post. * * Sticky posts should be displayed at the top of the front page. * * @since 2.7.0 * * @param int $post_id Post ID. */ function unstick_post( $post_id ) { $post_id = (int) $post_id; $stickies = get_option( 'sticky_posts' ); if ( ! is_array( $stickies ) ) { return; } $stickies = array_values( array_unique( array_map( 'intval', $stickies ) ) ); if ( ! in_array( $post_id, $stickies, true ) ) { return; } $offset = array_search( $post_id, $stickies, true ); if ( false === $offset ) { return; } array_splice( $stickies, $offset, 1 ); $updated = update_option( 'sticky_posts', $stickies ); if ( $updated ) { /** * Fires once a post has been removed from the sticky list. * * @since 4.6.0 * * @param int $post_id ID of the post that was unstuck. */ do_action( 'post_unstuck', $post_id ); } } /** * Return the cache key for wp_count_posts() based on the passed arguments. * * @since 3.9.0 * @access private * * @param string $type Optional. Post type to retrieve count Default 'post'. * @param string $perm Optional. 'readable' or empty. Default empty. * @return string The cache key. */ function _count_posts_cache_key( $type = 'post', $perm = '' ) { $cache_key = 'posts-' . $type; if ( 'readable' === $perm && is_user_logged_in() ) { $post_type_object = get_post_type_object( $type ); if ( $post_type_object && ! current_user_can( $post_type_object->cap->read_private_posts ) ) { $cache_key .= '_' . $perm . '_' . get_current_user_id(); } } return $cache_key; } /** * Count number of posts of a post type and if user has permissions to view. * * This function provides an efficient method of finding the amount of post's * type a blog has. Another method is to count the amount of items in * get_posts(), but that method has a lot of overhead with doing so. Therefore, * when developing for 2.5+, use this function instead. * * The $perm parameter checks for 'readable' value and if the user can read * private posts, it will display that for the user that is signed in. * * @since 2.5.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $type Optional. Post type to retrieve count. Default 'post'. * @param string $perm Optional. 'readable' or empty. Default empty. * @return stdClass Number of posts for each status. */ function wp_count_posts( $type = 'post', $perm = '' ) { global $wpdb; if ( ! post_type_exists( $type ) ) { return new stdClass; } $cache_key = _count_posts_cache_key( $type, $perm ); $counts = wp_cache_get( $cache_key, 'counts' ); if ( false !== $counts ) { // We may have cached this before every status was registered. foreach ( get_post_stati() as $status ) { if ( ! isset( $counts->{$status} ) ) { $counts->{$status} = 0; } } /** This filter is documented in wp-includes/post.php */ return apply_filters( 'wp_count_posts', $counts, $type, $perm ); } $query = "SELECT post_status, COUNT( * ) AS num_posts FROM {$wpdb->posts} WHERE post_type = %s"; if ( 'readable' === $perm && is_user_logged_in() ) { $post_type_object = get_post_type_object( $type ); if ( ! current_user_can( $post_type_object->cap->read_private_posts ) ) { $query .= $wpdb->prepare( " AND (post_status != 'private' OR ( post_author = %d AND post_status = 'private' ))", get_current_user_id() ); } } $query .= ' GROUP BY post_status'; $results = (array) $wpdb->get_results( $wpdb->prepare( $query, $type ), ARRAY_A ); $counts = array_fill_keys( get_post_stati(), 0 ); foreach ( $results as $row ) { $counts[ $row['post_status'] ] = $row['num_posts']; } $counts = (object) $counts; wp_cache_set( $cache_key, $counts, 'counts' ); /** * Modify returned post counts by status for the current post type. * * @since 3.7.0 * * @param stdClass $counts An object containing the current post_type's post * counts by status. * @param string $type Post type. * @param string $perm The permission to determine if the posts are 'readable' * by the current user. */ return apply_filters( 'wp_count_posts', $counts, $type, $perm ); } /** * Count number of attachments for the mime type(s). * * If you set the optional mime_type parameter, then an array will still be * returned, but will only have the item you are looking for. It does not give * you the number of attachments that are children of a post. You can get that * by counting the number of children that post has. * * @since 2.5.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string|string[] $mime_type Optional. Array or comma-separated list of * MIME patterns. Default empty. * @return stdClass An object containing the attachment counts by mime type. */ function wp_count_attachments( $mime_type = '' ) { global $wpdb; $and = wp_post_mime_type_where( $mime_type ); $count = $wpdb->get_results( "SELECT post_mime_type, COUNT( * ) AS num_posts FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status != 'trash' $and GROUP BY post_mime_type", ARRAY_A ); $counts = array(); foreach ( (array) $count as $row ) { $counts[ $row['post_mime_type'] ] = $row['num_posts']; } $counts['trash'] = $wpdb->get_var( "SELECT COUNT( * ) FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status = 'trash' $and" ); /** * Modify returned attachment counts by mime type. * * @since 3.7.0 * * @param stdClass $counts An object containing the attachment counts by * mime type. * @param string|string[] $mime_type Array or comma-separated list of MIME patterns. */ return apply_filters( 'wp_count_attachments', (object) $counts, $mime_type ); } /** * Get default post mime types. * * @since 2.9.0 * @since 5.3.0 Added the 'Documents', 'Spreadsheets', and 'Archives' mime type groups. * * @return array List of post mime types. */ function get_post_mime_types() { $post_mime_types = array( // array( adj, noun ) 'image' => array( __( 'Images' ), __( 'Manage Images' ), /* translators: %s: Number of images. */ _n_noop( 'Image (%s)', 'Images (%s)' ), ), 'audio' => array( _x( 'Audio', 'file type group' ), __( 'Manage Audio' ), /* translators: %s: Number of audio files. */ _n_noop( 'Audio (%s)', 'Audio (%s)' ), ), 'video' => array( _x( 'Video', 'file type group' ), __( 'Manage Video' ), /* translators: %s: Number of video files. */ _n_noop( 'Video (%s)', 'Video (%s)' ), ), 'document' => array( __( 'Documents' ), __( 'Manage Documents' ), /* translators: %s: Number of documents. */ _n_noop( 'Document (%s)', 'Documents (%s)' ), ), 'spreadsheet' => array( __( 'Spreadsheets' ), __( 'Manage Spreadsheets' ), /* translators: %s: Number of spreadsheets. */ _n_noop( 'Spreadsheet (%s)', 'Spreadsheets (%s)' ), ), 'archive' => array( _x( 'Archives', 'file type group' ), __( 'Manage Archives' ), /* translators: %s: Number of archives. */ _n_noop( 'Archive (%s)', 'Archives (%s)' ), ), ); $ext_types = wp_get_ext_types(); $mime_types = wp_get_mime_types(); foreach ( $post_mime_types as $group => $labels ) { if ( in_array( $group, array( 'image', 'audio', 'video' ), true ) ) { continue; } if ( ! isset( $ext_types[ $group ] ) ) { unset( $post_mime_types[ $group ] ); continue; } $group_mime_types = array(); foreach ( $ext_types[ $group ] as $extension ) { foreach ( $mime_types as $exts => $mime ) { if ( preg_match( '!^(' . $exts . ')$!i', $extension ) ) { $group_mime_types[] = $mime; break; } } } $group_mime_types = implode( ',', array_unique( $group_mime_types ) ); $post_mime_types[ $group_mime_types ] = $labels; unset( $post_mime_types[ $group ] ); } /** * Filters the default list of post mime types. * * @since 2.5.0 * * @param array $post_mime_types Default list of post mime types. */ return apply_filters( 'post_mime_types', $post_mime_types ); } /** * Check a MIME-Type against a list. * * If the wildcard_mime_types parameter is a string, it must be comma separated * list. If the real_mime_types is a string, it is also comma separated to * create the list. * * @since 2.5.0 * * @param string|string[] $wildcard_mime_types Mime types, e.g. audio/mpeg or image (same as image/*) * or flash (same as *flash*). * @param string|string[] $real_mime_types Real post mime type values. * @return array array(wildcard=>array(real types)). */ function wp_match_mime_types( $wildcard_mime_types, $real_mime_types ) { $matches = array(); if ( is_string( $wildcard_mime_types ) ) { $wildcard_mime_types = array_map( 'trim', explode( ',', $wildcard_mime_types ) ); } if ( is_string( $real_mime_types ) ) { $real_mime_types = array_map( 'trim', explode( ',', $real_mime_types ) ); } $patternses = array(); $wild = '[-._a-z0-9]*'; foreach ( (array) $wildcard_mime_types as $type ) { $mimes = array_map( 'trim', explode( ',', $type ) ); foreach ( $mimes as $mime ) { $regex = str_replace( '__wildcard__', $wild, preg_quote( str_replace( '*', '__wildcard__', $mime ) ) ); $patternses[][ $type ] = "^$regex$"; if ( false === strpos( $mime, '/' ) ) { $patternses[][ $type ] = "^$regex/"; $patternses[][ $type ] = $regex; } } } asort( $patternses ); foreach ( $patternses as $patterns ) { foreach ( $patterns as $type => $pattern ) { foreach ( (array) $real_mime_types as $real ) { if ( preg_match( "#$pattern#", $real ) && ( empty( $matches[ $type ] ) || false === array_search( $real, $matches[ $type ], true ) ) ) { $matches[ $type ][] = $real; } } } } return $matches; } /** * Convert MIME types into SQL. * * @since 2.5.0 * * @param string|string[] $post_mime_types List of mime types or comma separated string * of mime types. * @param string $table_alias Optional. Specify a table alias, if needed. * Default empty. * @return string The SQL AND clause for mime searching. */ function wp_post_mime_type_where( $post_mime_types, $table_alias = '' ) { $where = ''; $wildcards = array( '', '%', '%/%' ); if ( is_string( $post_mime_types ) ) { $post_mime_types = array_map( 'trim', explode( ',', $post_mime_types ) ); } $wheres = array(); foreach ( (array) $post_mime_types as $mime_type ) { $mime_type = preg_replace( '/\s/', '', $mime_type ); $slashpos = strpos( $mime_type, '/' ); if ( false !== $slashpos ) { $mime_group = preg_replace( '/[^-*.a-zA-Z0-9]/', '', substr( $mime_type, 0, $slashpos ) ); $mime_subgroup = preg_replace( '/[^-*.+a-zA-Z0-9]/', '', substr( $mime_type, $slashpos + 1 ) ); if ( empty( $mime_subgroup ) ) { $mime_subgroup = '*'; } else { $mime_subgroup = str_replace( '/', '', $mime_subgroup ); } $mime_pattern = "$mime_group/$mime_subgroup"; } else { $mime_pattern = preg_replace( '/[^-*.a-zA-Z0-9]/', '', $mime_type ); if ( false === strpos( $mime_pattern, '*' ) ) { $mime_pattern .= '/*'; } } $mime_pattern = preg_replace( '/\*+/', '%', $mime_pattern ); if ( in_array( $mime_type, $wildcards, true ) ) { return ''; } if ( false !== strpos( $mime_pattern, '%' ) ) { $wheres[] = empty( $table_alias ) ? "post_mime_type LIKE '$mime_pattern'" : "$table_alias.post_mime_type LIKE '$mime_pattern'"; } else { $wheres[] = empty( $table_alias ) ? "post_mime_type = '$mime_pattern'" : "$table_alias.post_mime_type = '$mime_pattern'"; } } if ( ! empty( $wheres ) ) { $where = ' AND (' . implode( ' OR ', $wheres ) . ') '; } return $where; } /** * Trash or delete a post or page. * * When the post and page is permanently deleted, everything that is tied to * it is deleted also. This includes comments, post meta fields, and terms * associated with the post. * * The post or page is moved to Trash instead of permanently deleted unless * Trash is disabled, item is already in the Trash, or $force_delete is true. * * @since 1.0.0 * * @global wpdb $wpdb WordPress database abstraction object. * @see wp_delete_attachment() * @see wp_trash_post() * * @param int $postid Optional. Post ID. Default 0. * @param bool $force_delete Optional. Whether to bypass Trash and force deletion. * Default false. * @return WP_Post|false|null Post data on success, false or null on failure. */ function wp_delete_post( $postid = 0, $force_delete = false ) { global $wpdb; $post = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE ID = %d", $postid ) ); if ( ! $post ) { return $post; } $post = get_post( $post ); if ( ! $force_delete && ( 'post' === $post->post_type || 'page' === $post->post_type ) && 'trash' !== get_post_status( $postid ) && EMPTY_TRASH_DAYS ) { return wp_trash_post( $postid ); } if ( 'attachment' === $post->post_type ) { return wp_delete_attachment( $postid, $force_delete ); } /** * Filters whether a post deletion should take place. * * @since 4.4.0 * * @param WP_Post|false|null $delete Whether to go forward with deletion. @TODO description * @param WP_Post $post Post object. * @param bool $force_delete Whether to bypass the Trash. */ $check = apply_filters( 'pre_delete_post', null, $post, $force_delete ); if ( null !== $check ) { return $check; } /** * Fires before a post is deleted, at the start of wp_delete_post(). * * @since 3.2.0 * @since 5.5.0 Added the `$post` parameter. * * @see wp_delete_post() * * @param int $postid Post ID. * @param WP_Post $post Post object. */ do_action( 'before_delete_post', $postid, $post ); delete_post_meta( $postid, '_wp_trash_meta_status' ); delete_post_meta( $postid, '_wp_trash_meta_time' ); wp_delete_object_term_relationships( $postid, get_object_taxonomies( $post->post_type ) ); $parent_data = array( 'post_parent' => $post->post_parent ); $parent_where = array( 'post_parent' => $postid ); if ( is_post_type_hierarchical( $post->post_type ) ) { // Point children of this page to its parent, also clean the cache of affected children. $children_query = $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE post_parent = %d AND post_type = %s", $postid, $post->post_type ); $children = $wpdb->get_results( $children_query ); if ( $children ) { $wpdb->update( $wpdb->posts, $parent_data, $parent_where + array( 'post_type' => $post->post_type ) ); } } // Do raw query. wp_get_post_revisions() is filtered. $revision_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'revision'", $postid ) ); // Use wp_delete_post (via wp_delete_post_revision) again. Ensures any meta/misplaced data gets cleaned up. foreach ( $revision_ids as $revision_id ) { wp_delete_post_revision( $revision_id ); } // Point all attachments to this post up one level. $wpdb->update( $wpdb->posts, $parent_data, $parent_where + array( 'post_type' => 'attachment' ) ); wp_defer_comment_counting( true ); $comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d ORDER BY comment_ID DESC", $postid ) ); foreach ( $comment_ids as $comment_id ) { wp_delete_comment( $comment_id, true ); } wp_defer_comment_counting( false ); $post_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $postid ) ); foreach ( $post_meta_ids as $mid ) { delete_metadata_by_mid( 'post', $mid ); } /** * Fires immediately before a post is deleted from the database. * * @since 1.2.0 * @since 5.5.0 Added the `$post` parameter. * * @param int $postid Post ID. * @param WP_Post $post Post object. */ do_action( 'delete_post', $postid, $post ); $result = $wpdb->delete( $wpdb->posts, array( 'ID' => $postid ) ); if ( ! $result ) { return false; } /** * Fires immediately after a post is deleted from the database. * * @since 2.2.0 * @since 5.5.0 Added the `$post` parameter. * * @param int $postid Post ID. * @param WP_Post $post Post object. */ do_action( 'deleted_post', $postid, $post ); clean_post_cache( $post ); if ( is_post_type_hierarchical( $post->post_type ) && $children ) { foreach ( $children as $child ) { clean_post_cache( $child ); } } wp_clear_scheduled_hook( 'publish_future_post', array( $postid ) ); /** * Fires after a post is deleted, at the conclusion of wp_delete_post(). * * @since 3.2.0 * @since 5.5.0 Added the `$post` parameter. * * @see wp_delete_post() * * @param int $postid Post ID. * @param WP_Post $post Post object. */ do_action( 'after_delete_post', $postid, $post ); return $post; } /** * Reset the page_on_front, show_on_front, and page_for_post settings when * a linked page is deleted or trashed. * * Also ensures the post is no longer sticky. * * @since 3.7.0 * @access private * * @param int $post_id Post ID. */ function _reset_front_page_settings_for_post( $post_id ) { $post = get_post( $post_id ); if ( 'page' === $post->post_type ) { /* * If the page is defined in option page_on_front or post_for_posts, * adjust the corresponding options. */ if ( get_option( 'page_on_front' ) == $post->ID ) { update_option( 'show_on_front', 'posts' ); update_option( 'page_on_front', 0 ); } if ( get_option( 'page_for_posts' ) == $post->ID ) { update_option( 'page_for_posts', 0 ); } } unstick_post( $post->ID ); } /** * Move a post or page to the Trash * * If Trash is disabled, the post or page is permanently deleted. * * @since 2.9.0 * * @see wp_delete_post() * * @param int $post_id Optional. Post ID. Default is the ID of the global `$post` * if `EMPTY_TRASH_DAYS` equals true. * @return WP_Post|false|null Post data on success, false or null on failure. */ function wp_trash_post( $post_id = 0 ) { if ( ! EMPTY_TRASH_DAYS ) { return wp_delete_post( $post_id, true ); } $post = get_post( $post_id ); if ( ! $post ) { return $post; } if ( 'trash' === $post->post_status ) { return false; } /** * Filters whether a post trashing should take place. * * @since 4.9.0 * * @param bool|null $trash Whether to go forward with trashing. * @param WP_Post $post Post object. */ $check = apply_filters( 'pre_trash_post', null, $post ); if ( null !== $check ) { return $check; } /** * Fires before a post is sent to the Trash. * * @since 3.3.0 * * @param int $post_id Post ID. */ do_action( 'wp_trash_post', $post_id ); add_post_meta( $post_id, '_wp_trash_meta_status', $post->post_status ); add_post_meta( $post_id, '_wp_trash_meta_time', time() ); $post_updated = wp_update_post( array( 'ID' => $post_id, 'post_status' => 'trash', ) ); if ( ! $post_updated ) { return false; } wp_trash_post_comments( $post_id ); /** * Fires after a post is sent to the Trash. * * @since 2.9.0 * * @param int $post_id Post ID. */ do_action( 'trashed_post', $post_id ); return $post; } /** * Restores a post from the Trash. * * @since 2.9.0 * @since 5.6.0 An untrashed post is now returned to 'draft' status by default, except for * attachments which are returned to their original 'inherit' status. * * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`. * @return WP_Post|false|null Post data on success, false or null on failure. */ function wp_untrash_post( $post_id = 0 ) { $post = get_post( $post_id ); if ( ! $post ) { return $post; } $post_id = $post->ID; if ( 'trash' !== $post->post_status ) { return false; } $previous_status = get_post_meta( $post_id, '_wp_trash_meta_status', true ); /** * Filters whether a post untrashing should take place. * * @since 4.9.0 * @since 5.6.0 The `$previous_status` parameter was added. * * @param bool|null $untrash Whether to go forward with untrashing. * @param WP_Post $post Post object. * @param string $previous_status The status of the post at the point where it was trashed. */ $check = apply_filters( 'pre_untrash_post', null, $post, $previous_status ); if ( null !== $check ) { return $check; } /** * Fires before a post is restored from the Trash. * * @since 2.9.0 * @since 5.6.0 The `$previous_status` parameter was added. * * @param int $post_id Post ID. * @param string $previous_status The status of the post at the point where it was trashed. */ do_action( 'untrash_post', $post_id, $previous_status ); $new_status = ( 'attachment' === $post->post_type ) ? 'inherit' : 'draft'; /** * Filters the status that a post gets assigned when it is restored from the trash (untrashed). * * By default posts that are restored will be assigned a status of 'draft'. Return the value of `$previous_status` * in order to assign the status that the post had before it was trashed. The `wp_untrash_post_set_previous_status()` * function is available for this. * * Prior to WordPress 5.6.0, restored posts were always assigned their original status. * * @since 5.6.0 * * @param string $new_status The new status of the post being restored. * @param int $post_id The ID of the post being restored. * @param string $previous_status The status of the post at the point where it was trashed. */ $post_status = apply_filters( 'wp_untrash_post_status', $new_status, $post_id, $previous_status ); delete_post_meta( $post_id, '_wp_trash_meta_status' ); delete_post_meta( $post_id, '_wp_trash_meta_time' ); $post_updated = wp_update_post( array( 'ID' => $post_id, 'post_status' => $post_status, ) ); if ( ! $post_updated ) { return false; } wp_untrash_post_comments( $post_id ); /** * Fires after a post is restored from the Trash. * * @since 2.9.0 * @since 5.6.0 The `$previous_status` parameter was added. * * @param int $post_id Post ID. * @param string $previous_status The status of the post at the point where it was trashed. */ do_action( 'untrashed_post', $post_id, $previous_status ); return $post; } /** * Moves comments for a post to the Trash. * * @since 2.9.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post. * @return mixed|void False on failure. */ function wp_trash_post_comments( $post = null ) { global $wpdb; $post = get_post( $post ); if ( ! $post ) { return; } $post_id = $post->ID; /** * Fires before comments are sent to the Trash. * * @since 2.9.0 * * @param int $post_id Post ID. */ do_action( 'trash_post_comments', $post_id ); $comments = $wpdb->get_results( $wpdb->prepare( "SELECT comment_ID, comment_approved FROM $wpdb->comments WHERE comment_post_ID = %d", $post_id ) ); if ( ! $comments ) { return; } // Cache current status for each comment. $statuses = array(); foreach ( $comments as $comment ) { $statuses[ $comment->comment_ID ] = $comment->comment_approved; } add_post_meta( $post_id, '_wp_trash_meta_comments_status', $statuses ); // Set status for all comments to post-trashed. $result = $wpdb->update( $wpdb->comments, array( 'comment_approved' => 'post-trashed' ), array( 'comment_post_ID' => $post_id ) ); clean_comment_cache( array_keys( $statuses ) ); /** * Fires after comments are sent to the Trash. * * @since 2.9.0 * * @param int $post_id Post ID. * @param array $statuses Array of comment statuses. */ do_action( 'trashed_post_comments', $post_id, $statuses ); return $result; } /** * Restore comments for a post from the Trash. * * @since 2.9.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post. * @return true|void */ function wp_untrash_post_comments( $post = null ) { global $wpdb; $post = get_post( $post ); if ( ! $post ) { return; } $post_id = $post->ID; $statuses = get_post_meta( $post_id, '_wp_trash_meta_comments_status', true ); if ( ! $statuses ) { return true; } /** * Fires before comments are restored for a post from the Trash. * * @since 2.9.0 * * @param int $post_id Post ID. */ do_action( 'untrash_post_comments', $post_id ); // Restore each comment to its original status. $group_by_status = array(); foreach ( $statuses as $comment_id => $comment_status ) { $group_by_status[ $comment_status ][] = $comment_id; } foreach ( $group_by_status as $status => $comments ) { // Sanity check. This shouldn't happen. if ( 'post-trashed' === $status ) { $status = '0'; } $comments_in = implode( ', ', array_map( 'intval', $comments ) ); $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->comments SET comment_approved = %s WHERE comment_ID IN ($comments_in)", $status ) ); } clean_comment_cache( array_keys( $statuses ) ); delete_post_meta( $post_id, '_wp_trash_meta_comments_status' ); /** * Fires after comments are restored for a post from the Trash. * * @since 2.9.0 * * @param int $post_id Post ID. */ do_action( 'untrashed_post_comments', $post_id ); } /** * Retrieve the list of categories for a post. * * Compatibility layer for themes and plugins. Also an easy layer of abstraction * away from the complexity of the taxonomy layer. * * @since 2.1.0 * * @see wp_get_object_terms() * * @param int $post_id Optional. The Post ID. Does not default to the ID of the * global $post. Default 0. * @param array $args Optional. Category query parameters. Default empty array. * See WP_Term_Query::__construct() for supported arguments. * @return array|WP_Error List of categories. If the `$fields` argument passed via `$args` is 'all' or * 'all_with_object_id', an array of WP_Term objects will be returned. If `$fields` * is 'ids', an array of category IDs. If `$fields` is 'names', an array of category names. * WP_Error object if 'category' taxonomy doesn't exist. */ function wp_get_post_categories( $post_id = 0, $args = array() ) { $post_id = (int) $post_id; $defaults = array( 'fields' => 'ids' ); $args = wp_parse_args( $args, $defaults ); $cats = wp_get_object_terms( $post_id, 'category', $args ); return $cats; } /** * Retrieve the tags for a post. * * There is only one default for this function, called 'fields' and by default * is set to 'all'. There are other defaults that can be overridden in * wp_get_object_terms(). * * @since 2.3.0 * * @param int $post_id Optional. The Post ID. Does not default to the ID of the * global $post. Default 0. * @param array $args Optional. Tag query parameters. Default empty array. * See WP_Term_Query::__construct() for supported arguments. * @return array|WP_Error Array of WP_Term objects on success or empty array if no tags were found. * WP_Error object if 'post_tag' taxonomy doesn't exist. */ function wp_get_post_tags( $post_id = 0, $args = array() ) { return wp_get_post_terms( $post_id, 'post_tag', $args ); } /** * Retrieves the terms for a post. * * @since 2.8.0 * * @param int $post_id Optional. The Post ID. Does not default to the ID of the * global $post. Default 0. * @param string|string[] $taxonomy Optional. The taxonomy slug or array of slugs for which * to retrieve terms. Default 'post_tag'. * @param array $args { * Optional. Term query parameters. See WP_Term_Query::__construct() for supported arguments. * * @type string $fields Term fields to retrieve. Default 'all'. * } * @return array|WP_Error Array of WP_Term objects on success or empty array if no terms were found. * WP_Error object if `$taxonomy` doesn't exist. */ function wp_get_post_terms( $post_id = 0, $taxonomy = 'post_tag', $args = array() ) { $post_id = (int) $post_id; $defaults = array( 'fields' => 'all' ); $args = wp_parse_args( $args, $defaults ); $tags = wp_get_object_terms( $post_id, $taxonomy, $args ); return $tags; } /** * Retrieve a number of recent posts. * * @since 1.0.0 * * @see get_posts() * * @param array $args Optional. Arguments to retrieve posts. Default empty array. * @param string $output Optional. The required return type. One of OBJECT or ARRAY_A, which * correspond to a WP_Post object or an associative array, respectively. * Default ARRAY_A. * @return array|false Array of recent posts, where the type of each element is determined * by the `$output` parameter. Empty array on failure. */ function wp_get_recent_posts( $args = array(), $output = ARRAY_A ) { if ( is_numeric( $args ) ) { _deprecated_argument( __FUNCTION__, '3.1.0', __( 'Passing an integer number of posts is deprecated. Pass an array of arguments instead.' ) ); $args = array( 'numberposts' => absint( $args ) ); } // Set default arguments. $defaults = array( 'numberposts' => 10, 'offset' => 0, 'category' => 0, 'orderby' => 'post_date', 'order' => 'DESC', 'include' => '', 'exclude' => '', 'meta_key' => '', 'meta_value' => '', 'post_type' => 'post', 'post_status' => 'draft, publish, future, pending, private', 'suppress_filters' => true, ); $parsed_args = wp_parse_args( $args, $defaults ); $results = get_posts( $parsed_args ); // Backward compatibility. Prior to 3.1 expected posts to be returned in array. if ( ARRAY_A === $output ) { foreach ( $results as $key => $result ) { $results[ $key ] = get_object_vars( $result ); } return $results ? $results : array(); } return $results ? $results : false; } /** * Insert or update a post. * * If the $postarr parameter has 'ID' set to a value, then post will be updated. * * You can set the post date manually, by setting the values for 'post_date' * and 'post_date_gmt' keys. You can close the comments or open the comments by * setting the value for 'comment_status' key. * * @since 1.0.0 * @since 2.6.0 Added the `$wp_error` parameter to allow a WP_Error to be returned on failure. * @since 4.2.0 Support was added for encoding emoji in the post title, content, and excerpt. * @since 4.4.0 A 'meta_input' array can now be passed to `$postarr` to add post meta data. * @since 5.6.0 Added the `$fire_after_hooks` parameter. * * @see sanitize_post() * @global wpdb $wpdb WordPress database abstraction object. * * @param array $postarr { * An array of elements that make up a post to update or insert. * * @type int $ID The post ID. If equal to something other than 0, * the post with that ID will be updated. Default 0. * @type int $post_author The ID of the user who added the post. Default is * the current user ID. * @type string $post_date The date of the post. Default is the current time. * @type string $post_date_gmt The date of the post in the GMT timezone. Default is * the value of `$post_date`. * @type string $post_content The post content. Default empty. * @type string $post_content_filtered The filtered post content. Default empty. * @type string $post_title The post title. Default empty. * @type string $post_excerpt The post excerpt. Default empty. * @type string $post_status The post status. Default 'draft'. * @type string $post_type The post type. Default 'post'. * @type string $comment_status Whether the post can accept comments. Accepts 'open' or 'closed'. * Default is the value of 'default_comment_status' option. * @type string $ping_status Whether the post can accept pings. Accepts 'open' or 'closed'. * Default is the value of 'default_ping_status' option. * @type string $post_password The password to access the post. Default empty. * @type string $post_name The post name. Default is the sanitized post title * when creating a new post. * @type string $to_ping Space or carriage return-separated list of URLs to ping. * Default empty. * @type string $pinged Space or carriage return-separated list of URLs that have * been pinged. Default empty. * @type string $post_modified The date when the post was last modified. Default is * the current time. * @type string $post_modified_gmt The date when the post was last modified in the GMT * timezone. Default is the current time. * @type int $post_parent Set this for the post it belongs to, if any. Default 0. * @type int $menu_order The order the post should be displayed in. Default 0. * @type string $post_mime_type The mime type of the post. Default empty. * @type string $guid Global Unique ID for referencing the post. Default empty. * @type int $import_id The post ID to be used when inserting a new post. * If specified, must not match any existing post ID. Default 0. * @type int[] $post_category Array of category IDs. * Defaults to value of the 'default_category' option. * @type array $tags_input Array of tag names, slugs, or IDs. Default empty. * @type array $tax_input An array of taxonomy terms keyed by their taxonomy name. * If the taxonomy is hierarchical, the term list needs to be * either an array of term IDs or a comma-separated string of IDs. * If the taxonomy is non-hierarchical, the term list can be an array * that contains term names or slugs, or a comma-separated string * of names or slugs. This is because, in hierarchical taxonomy, * child terms can have the same names with different parent terms, * so the only way to connect them is using ID. Default empty. * @type array $meta_input Array of post meta values keyed by their post meta key. Default empty. * } * @param bool $wp_error Optional. Whether to return a WP_Error on failure. Default false. * @param bool $fire_after_hooks Optional. Whether to fire the after insert hooks. Default true. * @return int|WP_Error The post ID on success. The value 0 or WP_Error on failure. */ function wp_insert_post( $postarr, $wp_error = false, $fire_after_hooks = true ) { global $wpdb; // Capture original pre-sanitized array for passing into filters. $unsanitized_postarr = $postarr; $user_id = get_current_user_id(); $defaults = array( 'post_author' => $user_id, 'post_content' => '', 'post_content_filtered' => '', 'post_title' => '', 'post_excerpt' => '', 'post_status' => 'draft', 'post_type' => 'post', 'comment_status' => '', 'ping_status' => '', 'post_password' => '', 'to_ping' => '', 'pinged' => '', 'post_parent' => 0, 'menu_order' => 0, 'guid' => '', 'import_id' => 0, 'context' => '', 'post_date' => '', 'post_date_gmt' => '', ); $postarr = wp_parse_args( $postarr, $defaults ); unset( $postarr['filter'] ); $postarr = sanitize_post( $postarr, 'db' ); // Are we updating or creating? $post_ID = 0; $update = false; $guid = $postarr['guid']; if ( ! empty( $postarr['ID'] ) ) { $update = true; // Get the post ID and GUID. $post_ID = $postarr['ID']; $post_before = get_post( $post_ID ); if ( is_null( $post_before ) ) { if ( $wp_error ) { return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) ); } return 0; } $guid = get_post_field( 'guid', $post_ID ); $previous_status = get_post_field( 'post_status', $post_ID ); } else { $previous_status = 'new'; $post_before = null; } $post_type = empty( $postarr['post_type'] ) ? 'post' : $postarr['post_type']; $post_title = $postarr['post_title']; $post_content = $postarr['post_content']; $post_excerpt = $postarr['post_excerpt']; if ( isset( $postarr['post_name'] ) ) { $post_name = $postarr['post_name']; } elseif ( $update ) { // For an update, don't modify the post_name if it wasn't supplied as an argument. $post_name = $post_before->post_name; } $maybe_empty = 'attachment' !== $post_type && ! $post_content && ! $post_title && ! $post_excerpt && post_type_supports( $post_type, 'editor' ) && post_type_supports( $post_type, 'title' ) && post_type_supports( $post_type, 'excerpt' ); /** * Filters whether the post should be considered "empty". * * The post is considered "empty" if both: * 1. The post type supports the title, editor, and excerpt fields * 2. The title, editor, and excerpt fields are all empty * * Returning a truthy value from the filter will effectively short-circuit * the new post being inserted and return 0. If $wp_error is true, a WP_Error * will be returned instead. * * @since 3.3.0 * * @param bool $maybe_empty Whether the post should be considered "empty". * @param array $postarr Array of post data. */ if ( apply_filters( 'wp_insert_post_empty_content', $maybe_empty, $postarr ) ) { if ( $wp_error ) { return new WP_Error( 'empty_content', __( 'Content, title, and excerpt are empty.' ) ); } else { return 0; } } $post_status = empty( $postarr['post_status'] ) ? 'draft' : $postarr['post_status']; if ( 'attachment' === $post_type && ! in_array( $post_status, array( 'inherit', 'private', 'trash', 'auto-draft' ), true ) ) { $post_status = 'inherit'; } if ( ! empty( $postarr['post_category'] ) ) { // Filter out empty terms. $post_category = array_filter( $postarr['post_category'] ); } // Make sure we set a valid category. if ( empty( $post_category ) || 0 === count( $post_category ) || ! is_array( $post_category ) ) { // 'post' requires at least one category. if ( 'post' === $post_type && 'auto-draft' !== $post_status ) { $post_category = array( get_option( 'default_category' ) ); } else { $post_category = array(); } } /* * Don't allow contributors to set the post slug for pending review posts. * * For new posts check the primitive capability, for updates check the meta capability. */ $post_type_object = get_post_type_object( $post_type ); if ( ! $update && 'pending' === $post_status && ! current_user_can( $post_type_object->cap->publish_posts ) ) { $post_name = ''; } elseif ( $update && 'pending' === $post_status && ! current_user_can( 'publish_post', $post_ID ) ) { $post_name = ''; } /* * Create a valid post name. Drafts and pending posts are allowed to have * an empty post name. */ if ( empty( $post_name ) ) { if ( ! in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ), true ) ) { $post_name = sanitize_title( $post_title ); } else { $post_name = ''; } } else { // On updates, we need to check to see if it's using the old, fixed sanitization context. $check_name = sanitize_title( $post_name, '', 'old-save' ); if ( $update && strtolower( urlencode( $post_name ) ) == $check_name && get_post_field( 'post_name', $post_ID ) == $check_name ) { $post_name = $check_name; } else { // new post, or slug has changed. $post_name = sanitize_title( $post_name ); } } /* * Resolve the post date from any provided post date or post date GMT strings; * if none are provided, the date will be set to now. */ $post_date = wp_resolve_post_date( $postarr['post_date'], $postarr['post_date_gmt'] ); if ( ! $post_date ) { if ( $wp_error ) { return new WP_Error( 'invalid_date', __( 'Invalid date.' ) ); } else { return 0; } } if ( empty( $postarr['post_date_gmt'] ) || '0000-00-00 00:00:00' === $postarr['post_date_gmt'] ) { if ( ! in_array( $post_status, get_post_stati( array( 'date_floating' => true ) ), true ) ) { $post_date_gmt = get_gmt_from_date( $post_date ); } else { $post_date_gmt = '0000-00-00 00:00:00'; } } else { $post_date_gmt = $postarr['post_date_gmt']; } if ( $update || '0000-00-00 00:00:00' === $post_date ) { $post_modified = current_time( 'mysql' ); $post_modified_gmt = current_time( 'mysql', 1 ); } else { $post_modified = $post_date; $post_modified_gmt = $post_date_gmt; } if ( 'attachment' !== $post_type ) { $now = gmdate( 'Y-m-d H:i:s' ); if ( 'publish' === $post_status ) { if ( strtotime( $post_date_gmt ) - strtotime( $now ) >= MINUTE_IN_SECONDS ) { $post_status = 'future'; } } elseif ( 'future' === $post_status ) { if ( strtotime( $post_date_gmt ) - strtotime( $now ) < MINUTE_IN_SECONDS ) { $post_status = 'publish'; } } } // Comment status. if ( empty( $postarr['comment_status'] ) ) { if ( $update ) { $comment_status = 'closed'; } else { $comment_status = get_default_comment_status( $post_type ); } } else { $comment_status = $postarr['comment_status']; } // These variables are needed by compact() later. $post_content_filtered = $postarr['post_content_filtered']; $post_author = isset( $postarr['post_author'] ) ? $postarr['post_author'] : $user_id; $ping_status = empty( $postarr['ping_status'] ) ? get_default_comment_status( $post_type, 'pingback' ) : $postarr['ping_status']; $to_ping = isset( $postarr['to_ping'] ) ? sanitize_trackback_urls( $postarr['to_ping'] ) : ''; $pinged = isset( $postarr['pinged'] ) ? $postarr['pinged'] : ''; $import_id = isset( $postarr['import_id'] ) ? $postarr['import_id'] : 0; /* * The 'wp_insert_post_parent' filter expects all variables to be present. * Previously, these variables would have already been extracted */ if ( isset( $postarr['menu_order'] ) ) { $menu_order = (int) $postarr['menu_order']; } else { $menu_order = 0; } $post_password = isset( $postarr['post_password'] ) ? $postarr['post_password'] : ''; if ( 'private' === $post_status ) { $post_password = ''; } if ( isset( $postarr['post_parent'] ) ) { $post_parent = (int) $postarr['post_parent']; } else { $post_parent = 0; } $new_postarr = array_merge( array( 'ID' => $post_ID, ), compact( array_diff( array_keys( $defaults ), array( 'context', 'filter' ) ) ) ); /** * Filters the post parent -- used to check for and prevent hierarchy loops. * * @since 3.1.0 * * @param int $post_parent Post parent ID. * @param int $post_ID Post ID. * @param array $new_postarr Array of parsed post data. * @param array $postarr Array of sanitized, but otherwise unmodified post data. */ $post_parent = apply_filters( 'wp_insert_post_parent', $post_parent, $post_ID, $new_postarr, $postarr ); /* * If the post is being untrashed and it has a desired slug stored in post meta, * reassign it. */ if ( 'trash' === $previous_status && 'trash' !== $post_status ) { $desired_post_slug = get_post_meta( $post_ID, '_wp_desired_post_slug', true ); if ( $desired_post_slug ) { delete_post_meta( $post_ID, '_wp_desired_post_slug' ); $post_name = $desired_post_slug; } } // If a trashed post has the desired slug, change it and let this post have it. if ( 'trash' !== $post_status && $post_name ) { /** * Filters whether or not to add a `__trashed` suffix to trashed posts that match the name of the updated post. * * @since 5.4.0 * * @param bool $add_trashed_suffix Whether to attempt to add the suffix. * @param string $post_name The name of the post being updated. * @param int $post_ID Post ID. */ $add_trashed_suffix = apply_filters( 'add_trashed_suffix_to_trashed_posts', true, $post_name, $post_ID ); if ( $add_trashed_suffix ) { wp_add_trashed_suffix_to_post_name_for_trashed_posts( $post_name, $post_ID ); } } // When trashing an existing post, change its slug to allow non-trashed posts to use it. if ( 'trash' === $post_status && 'trash' !== $previous_status && 'new' !== $previous_status ) { $post_name = wp_add_trashed_suffix_to_post_name_for_post( $post_ID ); } $post_name = wp_unique_post_slug( $post_name, $post_ID, $post_status, $post_type, $post_parent ); // Don't unslash. $post_mime_type = isset( $postarr['post_mime_type'] ) ? $postarr['post_mime_type'] : ''; // Expected_slashed (everything!). $data = compact( 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_content_filtered', 'post_title', 'post_excerpt', 'post_status', 'post_type', 'comment_status', 'ping_status', 'post_password', 'post_name', 'to_ping', 'pinged', 'post_modified', 'post_modified_gmt', 'post_parent', 'menu_order', 'post_mime_type', 'guid' ); $emoji_fields = array( 'post_title', 'post_content', 'post_excerpt' ); foreach ( $emoji_fields as $emoji_field ) { if ( isset( $data[ $emoji_field ] ) ) { $charset = $wpdb->get_col_charset( $wpdb->posts, $emoji_field ); if ( 'utf8' === $charset ) { $data[ $emoji_field ] = wp_encode_emoji( $data[ $emoji_field ] ); } } } if ( 'attachment' === $post_type ) { /** * Filters attachment post data before it is updated in or added to the database. * * @since 3.9.0 * @since 5.4.1 The `$unsanitized_postarr` parameter was added. * @since 6.0.0 The `$update` parameter was added. * * @param array $data An array of slashed, sanitized, and processed attachment post data. * @param array $postarr An array of slashed and sanitized attachment post data, but not processed. * @param array $unsanitized_postarr An array of slashed yet *unsanitized* and unprocessed attachment post data * as originally passed to wp_insert_post(). * @param bool $update Whether this is an existing attachment post being updated. */ $data = apply_filters( 'wp_insert_attachment_data', $data, $postarr, $unsanitized_postarr, $update ); } else { /** * Filters slashed post data just before it is inserted into the database. * * @since 2.7.0 * @since 5.4.1 The `$unsanitized_postarr` parameter was added. * @since 6.0.0 The `$update` parameter was added. * * @param array $data An array of slashed, sanitized, and processed post data. * @param array $postarr An array of sanitized (and slashed) but otherwise unmodified post data. * @param array $unsanitized_postarr An array of slashed yet *unsanitized* and unprocessed post data as * originally passed to wp_insert_post(). * @param bool $update Whether this is an existing post being updated. */ $data = apply_filters( 'wp_insert_post_data', $data, $postarr, $unsanitized_postarr, $update ); } $data = wp_unslash( $data ); $where = array( 'ID' => $post_ID ); if ( $update ) { /** * Fires immediately before an existing post is updated in the database. * * @since 2.5.0 * * @param int $post_ID Post ID. * @param array $data Array of unslashed post data. */ do_action( 'pre_post_update', $post_ID, $data ); if ( false === $wpdb->update( $wpdb->posts, $data, $where ) ) { if ( $wp_error ) { if ( 'attachment' === $post_type ) { $message = __( 'Could not update attachment in the database.' ); } else { $message = __( 'Could not update post in the database.' ); } return new WP_Error( 'db_update_error', $message, $wpdb->last_error ); } else { return 0; } } } else { // If there is a suggested ID, use it if not already present. if ( ! empty( $import_id ) ) { $import_id = (int) $import_id; if ( ! $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE ID = %d", $import_id ) ) ) { $data['ID'] = $import_id; } } if ( false === $wpdb->insert( $wpdb->posts, $data ) ) { if ( $wp_error ) { if ( 'attachment' === $post_type ) { $message = __( 'Could not insert attachment into the database.' ); } else { $message = __( 'Could not insert post into the database.' ); } return new WP_Error( 'db_insert_error', $message, $wpdb->last_error ); } else { return 0; } } $post_ID = (int) $wpdb->insert_id; // Use the newly generated $post_ID. $where = array( 'ID' => $post_ID ); } if ( empty( $data['post_name'] ) && ! in_array( $data['post_status'], array( 'draft', 'pending', 'auto-draft' ), true ) ) { $data['post_name'] = wp_unique_post_slug( sanitize_title( $data['post_title'], $post_ID ), $post_ID, $data['post_status'], $post_type, $post_parent ); $wpdb->update( $wpdb->posts, array( 'post_name' => $data['post_name'] ), $where ); clean_post_cache( $post_ID ); } if ( is_object_in_taxonomy( $post_type, 'category' ) ) { wp_set_post_categories( $post_ID, $post_category ); } if ( isset( $postarr['tags_input'] ) && is_object_in_taxonomy( $post_type, 'post_tag' ) ) { wp_set_post_tags( $post_ID, $postarr['tags_input'] ); } // Add default term for all associated custom taxonomies. if ( 'auto-draft' !== $post_status ) { foreach ( get_object_taxonomies( $post_type, 'object' ) as $taxonomy => $tax_object ) { if ( ! empty( $tax_object->default_term ) ) { // Filter out empty terms. if ( isset( $postarr['tax_input'][ $taxonomy ] ) && is_array( $postarr['tax_input'][ $taxonomy ] ) ) { $postarr['tax_input'][ $taxonomy ] = array_filter( $postarr['tax_input'][ $taxonomy ] ); } // Passed custom taxonomy list overwrites the existing list if not empty. $terms = wp_get_object_terms( $post_ID, $taxonomy, array( 'fields' => 'ids' ) ); if ( ! empty( $terms ) && empty( $postarr['tax_input'][ $taxonomy ] ) ) { $postarr['tax_input'][ $taxonomy ] = $terms; } if ( empty( $postarr['tax_input'][ $taxonomy ] ) ) { $default_term_id = get_option( 'default_term_' . $taxonomy ); if ( ! empty( $default_term_id ) ) { $postarr['tax_input'][ $taxonomy ] = array( (int) $default_term_id ); } } } } } // New-style support for all custom taxonomies. if ( ! empty( $postarr['tax_input'] ) ) { foreach ( $postarr['tax_input'] as $taxonomy => $tags ) { $taxonomy_obj = get_taxonomy( $taxonomy ); if ( ! $taxonomy_obj ) { /* translators: %s: Taxonomy name. */ _doing_it_wrong( __FUNCTION__, sprintf( __( 'Invalid taxonomy: %s.' ), $taxonomy ), '4.4.0' ); continue; } // array = hierarchical, string = non-hierarchical. if ( is_array( $tags ) ) { $tags = array_filter( $tags ); } if ( current_user_can( $taxonomy_obj->cap->assign_terms ) ) { wp_set_post_terms( $post_ID, $tags, $taxonomy ); } } } if ( ! empty( $postarr['meta_input'] ) ) { foreach ( $postarr['meta_input'] as $field => $value ) { update_post_meta( $post_ID, $field, $value ); } } $current_guid = get_post_field( 'guid', $post_ID ); // Set GUID. if ( ! $update && '' === $current_guid ) { $wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post_ID ) ), $where ); } if ( 'attachment' === $postarr['post_type'] ) { if ( ! empty( $postarr['file'] ) ) { update_attached_file( $post_ID, $postarr['file'] ); } if ( ! empty( $postarr['context'] ) ) { add_post_meta( $post_ID, '_wp_attachment_context', $postarr['context'], true ); } } // Set or remove featured image. if ( isset( $postarr['_thumbnail_id'] ) ) { $thumbnail_support = current_theme_supports( 'post-thumbnails', $post_type ) && post_type_supports( $post_type, 'thumbnail' ) || 'revision' === $post_type; if ( ! $thumbnail_support && 'attachment' === $post_type && $post_mime_type ) { if ( wp_attachment_is( 'audio', $post_ID ) ) { $thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' ); } elseif ( wp_attachment_is( 'video', $post_ID ) ) { $thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' ); } } if ( $thumbnail_support ) { $thumbnail_id = (int) $postarr['_thumbnail_id']; if ( -1 === $thumbnail_id ) { delete_post_thumbnail( $post_ID ); } else { set_post_thumbnail( $post_ID, $thumbnail_id ); } } } clean_post_cache( $post_ID ); $post = get_post( $post_ID ); if ( ! empty( $postarr['page_template'] ) ) { $post->page_template = $postarr['page_template']; $page_templates = wp_get_theme()->get_page_templates( $post ); if ( 'default' !== $postarr['page_template'] && ! isset( $page_templates[ $postarr['page_template'] ] ) ) { if ( $wp_error ) { return new WP_Error( 'invalid_page_template', __( 'Invalid page template.' ) ); } update_post_meta( $post_ID, '_wp_page_template', 'default' ); } else { update_post_meta( $post_ID, '_wp_page_template', $postarr['page_template'] ); } } if ( 'attachment' !== $postarr['post_type'] ) { wp_transition_post_status( $data['post_status'], $previous_status, $post ); } else { if ( $update ) { /** * Fires once an existing attachment has been updated. * * @since 2.0.0 * * @param int $post_ID Attachment ID. */ do_action( 'edit_attachment', $post_ID ); $post_after = get_post( $post_ID ); /** * Fires once an existing attachment has been updated. * * @since 4.4.0 * * @param int $post_ID Post ID. * @param WP_Post $post_after Post object following the update. * @param WP_Post $post_before Post object before the update. */ do_action( 'attachment_updated', $post_ID, $post_after, $post_before ); } else { /** * Fires once an attachment has been added. * * @since 2.0.0 * * @param int $post_ID Attachment ID. */ do_action( 'add_attachment', $post_ID ); } return $post_ID; } if ( $update ) { /** * Fires once an existing post has been updated. * * The dynamic portion of the hook name, `$post->post_type`, refers to * the post type slug. * * Possible hook names include: * * - `edit_post_post` * - `edit_post_page` * * @since 5.1.0 * * @param int $post_ID Post ID. * @param WP_Post $post Post object. */ do_action( "edit_post_{$post->post_type}", $post_ID, $post ); /** * Fires once an existing post has been updated. * * @since 1.2.0 * * @param int $post_ID Post ID. * @param WP_Post $post Post object. */ do_action( 'edit_post', $post_ID, $post ); $post_after = get_post( $post_ID ); /** * Fires once an existing post has been updated. * * @since 3.0.0 * * @param int $post_ID Post ID. * @param WP_Post $post_after Post object following the update. * @param WP_Post $post_before Post object before the update. */ do_action( 'post_updated', $post_ID, $post_after, $post_before ); } /** * Fires once a post has been saved. * * The dynamic portion of the hook name, `$post->post_type`, refers to * the post type slug. * * Possible hook names include: * * - `save_post_post` * - `save_post_page` * * @since 3.7.0 * * @param int $post_ID Post ID. * @param WP_Post $post Post object. * @param bool $update Whether this is an existing post being updated. */ do_action( "save_post_{$post->post_type}", $post_ID, $post, $update ); /** * Fires once a post has been saved. * * @since 1.5.0 * * @param int $post_ID Post ID. * @param WP_Post $post Post object. * @param bool $update Whether this is an existing post being updated. */ do_action( 'save_post', $post_ID, $post, $update ); /** * Fires once a post has been saved. * * @since 2.0.0 * * @param int $post_ID Post ID. * @param WP_Post $post Post object. * @param bool $update Whether this is an existing post being updated. */ do_action( 'wp_insert_post', $post_ID, $post, $update ); if ( $fire_after_hooks ) { wp_after_insert_post( $post, $update, $post_before ); } return $post_ID; } /** * Update a post with new post data. * * The date does not have to be set for drafts. You can set the date and it will * not be overridden. * * @since 1.0.0 * @since 3.5.0 Added the `$wp_error` parameter to allow a WP_Error to be returned on failure. * @since 5.6.0 Added the `$fire_after_hooks` parameter. * * @param array|object $postarr Optional. Post data. Arrays are expected to be escaped, * objects are not. See wp_insert_post() for accepted arguments. * Default array. * @param bool $wp_error Optional. Whether to return a WP_Error on failure. Default false. * @param bool $fire_after_hooks Optional. Whether to fire the after insert hooks. Default true. * @return int|WP_Error The post ID on success. The value 0 or WP_Error on failure. */ function wp_update_post( $postarr = array(), $wp_error = false, $fire_after_hooks = true ) { if ( is_object( $postarr ) ) { // Non-escaped post was passed. $postarr = get_object_vars( $postarr ); $postarr = wp_slash( $postarr ); } // First, get all of the original fields. $post = get_post( $postarr['ID'], ARRAY_A ); if ( is_null( $post ) ) { if ( $wp_error ) { return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) ); } return 0; } // Escape data pulled from DB. $post = wp_slash( $post ); // Passed post category list overwrites existing category list if not empty. if ( isset( $postarr['post_category'] ) && is_array( $postarr['post_category'] ) && count( $postarr['post_category'] ) > 0 ) { $post_cats = $postarr['post_category']; } else { $post_cats = $post['post_category']; } // Drafts shouldn't be assigned a date unless explicitly done so by the user. if ( isset( $post['post_status'] ) && in_array( $post['post_status'], array( 'draft', 'pending', 'auto-draft' ), true ) && empty( $postarr['edit_date'] ) && ( '0000-00-00 00:00:00' === $post['post_date_gmt'] ) ) { $clear_date = true; } else { $clear_date = false; } // Merge old and new fields with new fields overwriting old ones. $postarr = array_merge( $post, $postarr ); $postarr['post_category'] = $post_cats; if ( $clear_date ) { $postarr['post_date'] = current_time( 'mysql' ); $postarr['post_date_gmt'] = ''; } if ( 'attachment' === $postarr['post_type'] ) { return wp_insert_attachment( $postarr, false, 0, $wp_error ); } // Discard 'tags_input' parameter if it's the same as existing post tags. if ( isset( $postarr['tags_input'] ) && is_object_in_taxonomy( $postarr['post_type'], 'post_tag' ) ) { $tags = get_the_terms( $postarr['ID'], 'post_tag' ); $tag_names = array(); if ( $tags && ! is_wp_error( $tags ) ) { $tag_names = wp_list_pluck( $tags, 'name' ); } if ( $postarr['tags_input'] === $tag_names ) { unset( $postarr['tags_input'] ); } } return wp_insert_post( $postarr, $wp_error, $fire_after_hooks ); } /** * Publish a post by transitioning the post status. * * @since 2.1.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int|WP_Post $post Post ID or post object. */ function wp_publish_post( $post ) { global $wpdb; $post = get_post( $post ); if ( ! $post ) { return; } if ( 'publish' === $post->post_status ) { return; } $post_before = get_post( $post->ID ); // Ensure at least one term is applied for taxonomies with a default term. foreach ( get_object_taxonomies( $post->post_type, 'object' ) as $taxonomy => $tax_object ) { // Skip taxonomy if no default term is set. if ( 'category' !== $taxonomy && empty( $tax_object->default_term ) ) { continue; } // Do not modify previously set terms. if ( ! empty( get_the_terms( $post, $taxonomy ) ) ) { continue; } if ( 'category' === $taxonomy ) { $default_term_id = (int) get_option( 'default_category', 0 ); } else { $default_term_id = (int) get_option( 'default_term_' . $taxonomy, 0 ); } if ( ! $default_term_id ) { continue; } wp_set_post_terms( $post->ID, array( $default_term_id ), $taxonomy ); } $wpdb->update( $wpdb->posts, array( 'post_status' => 'publish' ), array( 'ID' => $post->ID ) ); clean_post_cache( $post->ID ); $old_status = $post->post_status; $post->post_status = 'publish'; wp_transition_post_status( 'publish', $old_status, $post ); /** This action is documented in wp-includes/post.php */ do_action( "edit_post_{$post->post_type}", $post->ID, $post ); /** This action is documented in wp-includes/post.php */ do_action( 'edit_post', $post->ID, $post ); /** This action is documented in wp-includes/post.php */ do_action( "save_post_{$post->post_type}", $post->ID, $post, true ); /** This action is documented in wp-includes/post.php */ do_action( 'save_post', $post->ID, $post, true ); /** This action is documented in wp-includes/post.php */ do_action( 'wp_insert_post', $post->ID, $post, true ); wp_after_insert_post( $post, true, $post_before ); } /** * Publish future post and make sure post ID has future post status. * * Invoked by cron 'publish_future_post' event. This safeguard prevents cron * from publishing drafts, etc. * * @since 2.5.0 * * @param int|WP_Post $post_id Post ID or post object. */ function check_and_publish_future_post( $post_id ) { $post = get_post( $post_id ); if ( ! $post ) { return; } if ( 'future' !== $post->post_status ) { return; } $time = strtotime( $post->post_date_gmt . ' GMT' ); // Uh oh, someone jumped the gun! if ( $time > time() ) { wp_clear_scheduled_hook( 'publish_future_post', array( $post_id ) ); // Clear anything else in the system. wp_schedule_single_event( $time, 'publish_future_post', array( $post_id ) ); return; } // wp_publish_post() returns no meaningful value. wp_publish_post( $post_id ); } /** * Uses wp_checkdate to return a valid Gregorian-calendar value for post_date. * If post_date is not provided, this first checks post_date_gmt if provided, * then falls back to use the current time. * * For back-compat purposes in wp_insert_post, an empty post_date and an invalid * post_date_gmt will continue to return '1970-01-01 00:00:00' rather than false. * * @since 5.7.0 * * @param string $post_date The date in mysql format. * @param string $post_date_gmt The GMT date in mysql format. * @return string|false A valid Gregorian-calendar date string, or false on failure. */ function wp_resolve_post_date( $post_date = '', $post_date_gmt = '' ) { // If the date is empty, set the date to now. if ( empty( $post_date ) || '0000-00-00 00:00:00' === $post_date ) { if ( empty( $post_date_gmt ) || '0000-00-00 00:00:00' === $post_date_gmt ) { $post_date = current_time( 'mysql' ); } else { $post_date = get_date_from_gmt( $post_date_gmt ); } } // Validate the date. $month = substr( $post_date, 5, 2 ); $day = substr( $post_date, 8, 2 ); $year = substr( $post_date, 0, 4 ); $valid_date = wp_checkdate( $month, $day, $year, $post_date ); if ( ! $valid_date ) { return false; } return $post_date; } /** * Computes a unique slug for the post, when given the desired slug and some post details. * * @since 2.8.0 * * @global wpdb $wpdb WordPress database abstraction object. * @global WP_Rewrite $wp_rewrite WordPress rewrite component. * * @param string $slug The desired slug (post_name). * @param int $post_ID Post ID. * @param string $post_status No uniqueness checks are made if the post is still draft or pending. * @param string $post_type Post type. * @param int $post_parent Post parent ID. * @return string Unique slug for the post, based on $post_name (with a -1, -2, etc. suffix) */ function wp_unique_post_slug( $slug, $post_ID, $post_status, $post_type, $post_parent ) { if ( in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ), true ) || ( 'inherit' === $post_status && 'revision' === $post_type ) || 'user_request' === $post_type ) { return $slug; } /** * Filters the post slug before it is generated to be unique. * * Returning a non-null value will short-circuit the * unique slug generation, returning the passed value instead. * * @since 5.1.0 * * @param string|null $override_slug Short-circuit return value. * @param string $slug The desired slug (post_name). * @param int $post_ID Post ID. * @param string $post_status The post status. * @param string $post_type Post type. * @param int $post_parent Post parent ID. */ $override_slug = apply_filters( 'pre_wp_unique_post_slug', null, $slug, $post_ID, $post_status, $post_type, $post_parent ); if ( null !== $override_slug ) { return $override_slug; } global $wpdb, $wp_rewrite; $original_slug = $slug; $feeds = $wp_rewrite->feeds; if ( ! is_array( $feeds ) ) { $feeds = array(); } if ( 'attachment' === $post_type ) { // Attachment slugs must be unique across all types. $check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND ID != %d LIMIT 1"; $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_ID ) ); /** * Filters whether the post slug would make a bad attachment slug. * * @since 3.1.0 * * @param bool $bad_slug Whether the slug would be bad as an attachment slug. * @param string $slug The post slug. */ $is_bad_attachment_slug = apply_filters( 'wp_unique_post_slug_is_bad_attachment_slug', false, $slug ); if ( $post_name_check || in_array( $slug, $feeds, true ) || 'embed' === $slug || $is_bad_attachment_slug ) { $suffix = 2; do { $alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix"; $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_ID ) ); $suffix++; } while ( $post_name_check ); $slug = $alt_post_name; } } elseif ( is_post_type_hierarchical( $post_type ) ) { if ( 'nav_menu_item' === $post_type ) { return $slug; } /* * Page slugs must be unique within their own trees. Pages are in a separate * namespace than posts so page slugs are allowed to overlap post slugs. */ $check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type IN ( %s, 'attachment' ) AND ID != %d AND post_parent = %d LIMIT 1"; $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_type, $post_ID, $post_parent ) ); /** * Filters whether the post slug would make a bad hierarchical post slug. * * @since 3.1.0 * * @param bool $bad_slug Whether the post slug would be bad in a hierarchical post context. * @param string $slug The post slug. * @param string $post_type Post type. * @param int $post_parent Post parent ID. */ $is_bad_hierarchical_slug = apply_filters( 'wp_unique_post_slug_is_bad_hierarchical_slug', false, $slug, $post_type, $post_parent ); if ( $post_name_check || in_array( $slug, $feeds, true ) || 'embed' === $slug || preg_match( "@^($wp_rewrite->pagination_base)?\d+$@", $slug ) || $is_bad_hierarchical_slug ) { $suffix = 2; do { $alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix"; $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_type, $post_ID, $post_parent ) ); $suffix++; } while ( $post_name_check ); $slug = $alt_post_name; } } else { // Post slugs must be unique across all posts. $check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type = %s AND ID != %d LIMIT 1"; $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_type, $post_ID ) ); $post = get_post( $post_ID ); // Prevent new post slugs that could result in URLs that conflict with date archives. $conflicts_with_date_archive = false; if ( 'post' === $post_type && ( ! $post || $post->post_name !== $slug ) && preg_match( '/^[0-9]+$/', $slug ) ) { $slug_num = (int) $slug; if ( $slug_num ) { $permastructs = array_values( array_filter( explode( '/', get_option( 'permalink_structure' ) ) ) ); $postname_index = array_search( '%postname%', $permastructs, true ); /* * Potential date clashes are as follows: * * - Any integer in the first permastruct position could be a year. * - An integer between 1 and 12 that follows 'year' conflicts with 'monthnum'. * - An integer between 1 and 31 that follows 'monthnum' conflicts with 'day'. */ if ( 0 === $postname_index || ( $postname_index && '%year%' === $permastructs[ $postname_index - 1 ] && 13 > $slug_num ) || ( $postname_index && '%monthnum%' === $permastructs[ $postname_index - 1 ] && 32 > $slug_num ) ) { $conflicts_with_date_archive = true; } } } /** * Filters whether the post slug would be bad as a flat slug. * * @since 3.1.0 * * @param bool $bad_slug Whether the post slug would be bad as a flat slug. * @param string $slug The post slug. * @param string $post_type Post type. */ $is_bad_flat_slug = apply_filters( 'wp_unique_post_slug_is_bad_flat_slug', false, $slug, $post_type ); if ( $post_name_check || in_array( $slug, $feeds, true ) || 'embed' === $slug || $conflicts_with_date_archive || $is_bad_flat_slug ) { $suffix = 2; do { $alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix"; $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_type, $post_ID ) ); $suffix++; } while ( $post_name_check ); $slug = $alt_post_name; } } /** * Filters the unique post slug. * * @since 3.3.0 * * @param string $slug The post slug. * @param int $post_ID Post ID. * @param string $post_status The post status. * @param string $post_type Post type. * @param int $post_parent Post parent ID * @param string $original_slug The original post slug. */ return apply_filters( 'wp_unique_post_slug', $slug, $post_ID, $post_status, $post_type, $post_parent, $original_slug ); } /** * Truncate a post slug. * * @since 3.6.0 * @access private * * @see utf8_uri_encode() * * @param string $slug The slug to truncate. * @param int $length Optional. Max length of the slug. Default 200 (characters). * @return string The truncated slug. */ function _truncate_post_slug( $slug, $length = 200 ) { if ( strlen( $slug ) > $length ) { $decoded_slug = urldecode( $slug ); if ( $decoded_slug === $slug ) { $slug = substr( $slug, 0, $length ); } else { $slug = utf8_uri_encode( $decoded_slug, $length, true ); } } return rtrim( $slug, '-' ); } /** * Add tags to a post. * * @see wp_set_post_tags() * * @since 2.3.0 * * @param int $post_id Optional. The Post ID. Does not default to the ID of the global $post. * @param string|array $tags Optional. An array of tags to set for the post, or a string of tags * separated by commas. Default empty. * @return array|false|WP_Error Array of affected term IDs. WP_Error or false on failure. */ function wp_add_post_tags( $post_id = 0, $tags = '' ) { return wp_set_post_tags( $post_id, $tags, true ); } /** * Set the tags for a post. * * @since 2.3.0 * * @see wp_set_object_terms() * * @param int $post_id Optional. The Post ID. Does not default to the ID of the global $post. * @param string|array $tags Optional. An array of tags to set for the post, or a string of tags * separated by commas. Default empty. * @param bool $append Optional. If true, don't delete existing tags, just add on. If false, * replace the tags with the new tags. Default false. * @return array|false|WP_Error Array of term taxonomy IDs of affected terms. WP_Error or false on failure. */ function wp_set_post_tags( $post_id = 0, $tags = '', $append = false ) { return wp_set_post_terms( $post_id, $tags, 'post_tag', $append ); } /** * Set the terms for a post. * * @since 2.8.0 * * @see wp_set_object_terms() * * @param int $post_id Optional. The Post ID. Does not default to the ID of the global $post. * @param string|array $tags Optional. An array of terms to set for the post, or a string of terms * separated by commas. Hierarchical taxonomies must always pass IDs rather * than names so that children with the same names but different parents * aren't confused. Default empty. * @param string $taxonomy Optional. Taxonomy name. Default 'post_tag'. * @param bool $append Optional. If true, don't delete existing terms, just add on. If false, * replace the terms with the new terms. Default false. * @return array|false|WP_Error Array of term taxonomy IDs of affected terms. WP_Error or false on failure. */ function wp_set_post_terms( $post_id = 0, $tags = '', $taxonomy = 'post_tag', $append = false ) { $post_id = (int) $post_id; if ( ! $post_id ) { return false; } if ( empty( $tags ) ) { $tags = array(); } if ( ! is_array( $tags ) ) { $comma = _x( ',', 'tag delimiter' ); if ( ',' !== $comma ) { $tags = str_replace( $comma, ',', $tags ); } $tags = explode( ',', trim( $tags, " \n\t\r\0\x0B," ) ); } /* * Hierarchical taxonomies must always pass IDs rather than names so that * children with the same names but different parents aren't confused. */ if ( is_taxonomy_hierarchical( $taxonomy ) ) { $tags = array_unique( array_map( 'intval', $tags ) ); } return wp_set_object_terms( $post_id, $tags, $taxonomy, $append ); } /** * Set categories for a post. * * If no categories are provided, the default category is used. * * @since 2.1.0 * * @param int $post_ID Optional. The Post ID. Does not default to the ID * of the global $post. Default 0. * @param int[]|int $post_categories Optional. List of category IDs, or the ID of a single category. * Default empty array. * @param bool $append If true, don't delete existing categories, just add on. * If false, replace the categories with the new categories. * @return array|false|WP_Error Array of term taxonomy IDs of affected categories. WP_Error or false on failure. */ function wp_set_post_categories( $post_ID = 0, $post_categories = array(), $append = false ) { $post_ID = (int) $post_ID; $post_type = get_post_type( $post_ID ); $post_status = get_post_status( $post_ID ); // If $post_categories isn't already an array, make it one. $post_categories = (array) $post_categories; if ( empty( $post_categories ) ) { /** * Filters post types (in addition to 'post') that require a default category. * * @since 5.5.0 * * @param string[] $post_types An array of post type names. Default empty array. */ $default_category_post_types = apply_filters( 'default_category_post_types', array() ); // Regular posts always require a default category. $default_category_post_types = array_merge( $default_category_post_types, array( 'post' ) ); if ( in_array( $post_type, $default_category_post_types, true ) && is_object_in_taxonomy( $post_type, 'category' ) && 'auto-draft' !== $post_status ) { $post_categories = array( get_option( 'default_category' ) ); $append = false; } else { $post_categories = array(); } } elseif ( 1 === count( $post_categories ) && '' === reset( $post_categories ) ) { return true; } return wp_set_post_terms( $post_ID, $post_categories, 'category', $append ); } /** * Fires actions related to the transitioning of a post's status. * * When a post is saved, the post status is "transitioned" from one status to another, * though this does not always mean the status has actually changed before and after * the save. This function fires a number of action hooks related to that transition: * the generic {@see 'transition_post_status'} action, as well as the dynamic hooks * {@see '$old_status_to_$new_status'} and {@see '$new_status_$post->post_type'}. Note * that the function does not transition the post object in the database. * * For instance: When publishing a post for the first time, the post status may transition * from 'draft' – or some other status – to 'publish'. However, if a post is already * published and is simply being updated, the "old" and "new" statuses may both be 'publish' * before and after the transition. * * @since 2.3.0 * * @param string $new_status Transition to this post status. * @param string $old_status Previous post status. * @param WP_Post $post Post data. */ function wp_transition_post_status( $new_status, $old_status, $post ) { /** * Fires when a post is transitioned from one status to another. * * @since 2.3.0 * * @param string $new_status New post status. * @param string $old_status Old post status. * @param WP_Post $post Post object. */ do_action( 'transition_post_status', $new_status, $old_status, $post ); /** * Fires when a post is transitioned from one status to another. * * The dynamic portions of the hook name, `$new_status` and `$old_status`, * refer to the old and new post statuses, respectively. * * Possible hook names include: * * - `draft_to_publish` * - `publish_to_trash` * - `pending_to_draft` * * @since 2.3.0 * * @param WP_Post $post Post object. */ do_action( "{$old_status}_to_{$new_status}", $post ); /** * Fires when a post is transitioned from one status to another. * * The dynamic portions of the hook name, `$new_status` and `$post->post_type`, * refer to the new post status and post type, respectively. * * Possible hook names include: * * - `draft_post` * - `future_post` * - `pending_post` * - `private_post` * - `publish_post` * - `trash_post` * - `draft_page` * - `future_page` * - `pending_page` * - `private_page` * - `publish_page` * - `trash_page` * - `publish_attachment` * - `trash_attachment` * * Please note: When this action is hooked using a particular post status (like * 'publish', as `publish_{$post->post_type}`), it will fire both when a post is * first transitioned to that status from something else, as well as upon * subsequent post updates (old and new status are both the same). * * Therefore, if you are looking to only fire a callback when a post is first * transitioned to a status, use the {@see 'transition_post_status'} hook instead. * * @since 2.3.0 * @since 5.9.0 Added `$old_status` parameter. * * @param int $post_id Post ID. * @param WP_Post $post Post object. * @param string $old_status Old post status. */ do_action( "{$new_status}_{$post->post_type}", $post->ID, $post, $old_status ); } /** * Fires actions after a post, its terms and meta data has been saved. * * @since 5.6.0 * * @param int|WP_Post $post The post ID or object that has been saved. * @param bool $update Whether this is an existing post being updated. * @param null|WP_Post $post_before Null for new posts, the WP_Post object prior * to the update for updated posts. */ function wp_after_insert_post( $post, $update, $post_before ) { $post = get_post( $post ); if ( ! $post ) { return; } $post_id = $post->ID; /** * Fires once a post, its terms and meta data has been saved. * * @since 5.6.0 * * @param int $post_id Post ID. * @param WP_Post $post Post object. * @param bool $update Whether this is an existing post being updated. * @param null|WP_Post $post_before Null for new posts, the WP_Post object prior * to the update for updated posts. */ do_action( 'wp_after_insert_post', $post_id, $post, $update, $post_before ); } // // Comment, trackback, and pingback functions. // /** * Add a URL to those already pinged. * * @since 1.5.0 * @since 4.7.0 `$post_id` can be a WP_Post object. * @since 4.7.0 `$uri` can be an array of URIs. * * @global wpdb $wpdb WordPress database abstraction object. * * @param int|WP_Post $post_id Post object or ID. * @param string|array $uri Ping URI or array of URIs. * @return int|false How many rows were updated. */ function add_ping( $post_id, $uri ) { global $wpdb; $post = get_post( $post_id ); if ( ! $post ) { return false; } $pung = trim( $post->pinged ); $pung = preg_split( '/\s/', $pung ); if ( is_array( $uri ) ) { $pung = array_merge( $pung, $uri ); } else { $pung[] = $uri; } $new = implode( "\n", $pung ); /** * Filters the new ping URL to add for the given post. * * @since 2.0.0 * * @param string $new New ping URL to add. */ $new = apply_filters( 'add_ping', $new ); $return = $wpdb->update( $wpdb->posts, array( 'pinged' => $new ), array( 'ID' => $post->ID ) ); clean_post_cache( $post->ID ); return $return; } /** * Retrieve enclosures already enclosed for a post. * * @since 1.5.0 * * @param int $post_id Post ID. * @return string[] Array of enclosures for the given post. */ function get_enclosed( $post_id ) { $custom_fields = get_post_custom( $post_id ); $pung = array(); if ( ! is_array( $custom_fields ) ) { return $pung; } foreach ( $custom_fields as $key => $val ) { if ( 'enclosure' !== $key || ! is_array( $val ) ) { continue; } foreach ( $val as $enc ) { $enclosure = explode( "\n", $enc ); $pung[] = trim( $enclosure[0] ); } } /** * Filters the list of enclosures already enclosed for the given post. * * @since 2.0.0 * * @param string[] $pung Array of enclosures for the given post. * @param int $post_id Post ID. */ return apply_filters( 'get_enclosed', $pung, $post_id ); } /** * Retrieve URLs already pinged for a post. * * @since 1.5.0 * * @since 4.7.0 `$post_id` can be a WP_Post object. * * @param int|WP_Post $post_id Post ID or object. * @return string[]|false Array of URLs already pinged for the given post, false if the post is not found. */ function get_pung( $post_id ) { $post = get_post( $post_id ); if ( ! $post ) { return false; } $pung = trim( $post->pinged ); $pung = preg_split( '/\s/', $pung ); /** * Filters the list of already-pinged URLs for the given post. * * @since 2.0.0 * * @param string[] $pung Array of URLs already pinged for the given post. */ return apply_filters( 'get_pung', $pung ); } /** * Retrieve URLs that need to be pinged. * * @since 1.5.0 * @since 4.7.0 `$post_id` can be a WP_Post object. * * @param int|WP_Post $post_id Post Object or ID * @return string[]|false List of URLs yet to ping. */ function get_to_ping( $post_id ) { $post = get_post( $post_id ); if ( ! $post ) { return false; } $to_ping = sanitize_trackback_urls( $post->to_ping ); $to_ping = preg_split( '/\s/', $to_ping, -1, PREG_SPLIT_NO_EMPTY ); /** * Filters the list of URLs yet to ping for the given post. * * @since 2.0.0 * * @param string[] $to_ping List of URLs yet to ping. */ return apply_filters( 'get_to_ping', $to_ping ); } /** * Do trackbacks for a list of URLs. * * @since 1.0.0 * * @param string $tb_list Comma separated list of URLs. * @param int $post_id Post ID. */ function trackback_url_list( $tb_list, $post_id ) { if ( ! empty( $tb_list ) ) { // Get post data. $postdata = get_post( $post_id, ARRAY_A ); // Form an excerpt. $excerpt = strip_tags( $postdata['post_excerpt'] ? $postdata['post_excerpt'] : $postdata['post_content'] ); if ( strlen( $excerpt ) > 255 ) { $excerpt = substr( $excerpt, 0, 252 ) . '…'; } $trackback_urls = explode( ',', $tb_list ); foreach ( (array) $trackback_urls as $tb_url ) { $tb_url = trim( $tb_url ); trackback( $tb_url, wp_unslash( $postdata['post_title'] ), $excerpt, $post_id ); } } } // // Page functions. // /** * Get a list of page IDs. * * @since 2.0.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @return string[] List of page IDs as strings. */ function get_all_page_ids() { global $wpdb; $page_ids = wp_cache_get( 'all_page_ids', 'posts' ); if ( ! is_array( $page_ids ) ) { $page_ids = $wpdb->get_col( "SELECT ID FROM $wpdb->posts WHERE post_type = 'page'" ); wp_cache_add( 'all_page_ids', $page_ids, 'posts' ); } return $page_ids; } /** * Retrieves page data given a page ID or page object. * * Use get_post() instead of get_page(). * * @since 1.5.1 * @deprecated 3.5.0 Use get_post() * * @param int|WP_Post $page Page object or page ID. Passed by reference. * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which * correspond to a WP_Post object, an associative array, or a numeric array, * respectively. Default OBJECT. * @param string $filter Optional. How the return value should be filtered. Accepts 'raw', * 'edit', 'db', 'display'. Default 'raw'. * @return WP_Post|array|null WP_Post or array on success, null on failure. */ function get_page( $page, $output = OBJECT, $filter = 'raw' ) { return get_post( $page, $output, $filter ); } /** * Retrieves a page given its path. * * @since 2.1.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $page_path Page path. * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which * correspond to a WP_Post object, an associative array, or a numeric array, * respectively. Default OBJECT. * @param string|array $post_type Optional. Post type or array of post types. Default 'page'. * @return WP_Post|array|null WP_Post (or array) on success, or null on failure. */ function get_page_by_path( $page_path, $output = OBJECT, $post_type = 'page' ) { global $wpdb; $last_changed = wp_cache_get_last_changed( 'posts' ); $hash = md5( $page_path . serialize( $post_type ) ); $cache_key = "get_page_by_path:$hash:$last_changed"; $cached = wp_cache_get( $cache_key, 'posts' ); if ( false !== $cached ) { // Special case: '0' is a bad `$page_path`. if ( '0' === $cached || 0 === $cached ) { return; } else { return get_post( $cached, $output ); } } $page_path = rawurlencode( urldecode( $page_path ) ); $page_path = str_replace( '%2F', '/', $page_path ); $page_path = str_replace( '%20', ' ', $page_path ); $parts = explode( '/', trim( $page_path, '/' ) ); $parts = array_map( 'sanitize_title_for_query', $parts ); $escaped_parts = esc_sql( $parts ); $in_string = "'" . implode( "','", $escaped_parts ) . "'"; if ( is_array( $post_type ) ) { $post_types = $post_type; } else { $post_types = array( $post_type, 'attachment' ); } $post_types = esc_sql( $post_types ); $post_type_in_string = "'" . implode( "','", $post_types ) . "'"; $sql = " SELECT ID, post_name, post_parent, post_type FROM $wpdb->posts WHERE post_name IN ($in_string) AND post_type IN ($post_type_in_string) "; $pages = $wpdb->get_results( $sql, OBJECT_K ); $revparts = array_reverse( $parts ); $foundid = 0; foreach ( (array) $pages as $page ) { if ( $page->post_name == $revparts[0] ) { $count = 0; $p = $page; /* * Loop through the given path parts from right to left, * ensuring each matches the post ancestry. */ while ( 0 != $p->post_parent && isset( $pages[ $p->post_parent ] ) ) { $count++; $parent = $pages[ $p->post_parent ]; if ( ! isset( $revparts[ $count ] ) || $parent->post_name != $revparts[ $count ] ) { break; } $p = $parent; } if ( 0 == $p->post_parent && count( $revparts ) == $count + 1 && $p->post_name == $revparts[ $count ] ) { $foundid = $page->ID; if ( $page->post_type == $post_type ) { break; } } } } // We cache misses as well as hits. wp_cache_set( $cache_key, $foundid, 'posts' ); if ( $foundid ) { return get_post( $foundid, $output ); } return null; } /** * Retrieve a page given its title. * * If more than one post uses the same title, the post with the smallest ID will be returned. * Be careful: in case of more than one post having the same title, it will check the oldest * publication date, not the smallest ID. * * Because this function uses the MySQL '=' comparison, $page_title will usually be matched * as case-insensitive with default collation. * * @since 2.1.0 * @since 3.0.0 The `$post_type` parameter was added. * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $page_title Page title. * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which * correspond to a WP_Post object, an associative array, or a numeric array, * respectively. Default OBJECT. * @param string|array $post_type Optional. Post type or array of post types. Default 'page'. * @return WP_Post|array|null WP_Post (or array) on success, or null on failure. */ function get_page_by_title( $page_title, $output = OBJECT, $post_type = 'page' ) { global $wpdb; if ( is_array( $post_type ) ) { $post_type = esc_sql( $post_type ); $post_type_in_string = "'" . implode( "','", $post_type ) . "'"; $sql = $wpdb->prepare( " SELECT ID FROM $wpdb->posts WHERE post_title = %s AND post_type IN ($post_type_in_string) ", $page_title ); } else { $sql = $wpdb->prepare( " SELECT ID FROM $wpdb->posts WHERE post_title = %s AND post_type = %s ", $page_title, $post_type ); } $page = $wpdb->get_var( $sql ); if ( $page ) { return get_post( $page, $output ); } return null; } /** * Identify descendants of a given page ID in a list of page objects. * * Descendants are identified from the `$pages` array passed to the function. No database queries are performed. * * @since 1.5.1 * * @param int $page_id Page ID. * @param array $pages List of page objects from which descendants should be identified. * @return array List of page children. */ function get_page_children( $page_id, $pages ) { // Build a hash of ID -> children. $children = array(); foreach ( (array) $pages as $page ) { $children[ (int) $page->post_parent ][] = $page; } $page_list = array(); // Start the search by looking at immediate children. if ( isset( $children[ $page_id ] ) ) { // Always start at the end of the stack in order to preserve original `$pages` order. $to_look = array_reverse( $children[ $page_id ] ); while ( $to_look ) { $p = array_pop( $to_look ); $page_list[] = $p; if ( isset( $children[ $p->ID ] ) ) { foreach ( array_reverse( $children[ $p->ID ] ) as $child ) { // Append to the `$to_look` stack to descend the tree. $to_look[] = $child; } } } } return $page_list; } /** * Order the pages with children under parents in a flat list. * * It uses auxiliary structure to hold parent-children relationships and * runs in O(N) complexity * * @since 2.0.0 * * @param WP_Post[] $pages Posts array (passed by reference). * @param int $page_id Optional. Parent page ID. Default 0. * @return string[] Array of post names keyed by ID and arranged by hierarchy. Children immediately follow their parents. */ function get_page_hierarchy( &$pages, $page_id = 0 ) { if ( empty( $pages ) ) { return array(); } $children = array(); foreach ( (array) $pages as $p ) { $parent_id = (int) $p->post_parent; $children[ $parent_id ][] = $p; } $result = array(); _page_traverse_name( $page_id, $children, $result ); return $result; } /** * Traverse and return all the nested children post names of a root page. * * $children contains parent-children relations * * @since 2.9.0 * @access private * * @see _page_traverse_name() * * @param int $page_id Page ID. * @param array $children Parent-children relations (passed by reference). * @param string[] $result Array of page names keyed by ID (passed by reference). */ function _page_traverse_name( $page_id, &$children, &$result ) { if ( isset( $children[ $page_id ] ) ) { foreach ( (array) $children[ $page_id ] as $child ) { $result[ $child->ID ] = $child->post_name; _page_traverse_name( $child->ID, $children, $result ); } } } /** * Build the URI path for a page. * * Sub pages will be in the "directory" under the parent page post name. * * @since 1.5.0 * @since 4.6.0 The `$page` parameter was made optional. * * @param WP_Post|object|int $page Optional. Page ID or WP_Post object. Default is global $post. * @return string|false Page URI, false on error. */ function get_page_uri( $page = 0 ) { if ( ! $page instanceof WP_Post ) { $page = get_post( $page ); } if ( ! $page ) { return false; } $uri = $page->post_name; foreach ( $page->ancestors as $parent ) { $parent = get_post( $parent ); if ( $parent && $parent->post_name ) { $uri = $parent->post_name . '/' . $uri; } } /** * Filters the URI for a page. * * @since 4.4.0 * * @param string $uri Page URI. * @param WP_Post $page Page object. */ return apply_filters( 'get_page_uri', $uri, $page ); } /** * Retrieve an array of pages (or hierarchical post type items). * * @global wpdb $wpdb WordPress database abstraction object. * * @since 1.5.0 * * @param array|string $args { * Optional. Array or string of arguments to retrieve pages. * * @type int $child_of Page ID to return child and grandchild pages of. Note: The value * of `$hierarchical` has no bearing on whether `$child_of` returns * hierarchical results. Default 0, or no restriction. * @type string $sort_order How to sort retrieved pages. Accepts 'ASC', 'DESC'. Default 'ASC'. * @type string $sort_column What columns to sort pages by, comma-separated. Accepts 'post_author', * 'post_date', 'post_title', 'post_name', 'post_modified', 'menu_order', * 'post_modified_gmt', 'post_parent', 'ID', 'rand', 'comment_count'. * 'post_' can be omitted for any values that start with it. * Default 'post_title'. * @type bool $hierarchical Whether to return pages hierarchically. If false in conjunction with * `$child_of` also being false, both arguments will be disregarded. * Default true. * @type int[] $exclude Array of page IDs to exclude. Default empty array. * @type int[] $include Array of page IDs to include. Cannot be used with `$child_of`, * `$parent`, `$exclude`, `$meta_key`, `$meta_value`, or `$hierarchical`. * Default empty array. * @type string $meta_key Only include pages with this meta key. Default empty. * @type string $meta_value Only include pages with this meta value. Requires `$meta_key`. * Default empty. * @type string $authors A comma-separated list of author IDs. Default empty. * @type int $parent Page ID to return direct children of. Default -1, or no restriction. * @type string|int[] $exclude_tree Comma-separated string or array of page IDs to exclude. * Default empty array. * @type int $number The number of pages to return. Default 0, or all pages. * @type int $offset The number of pages to skip before returning. Requires `$number`. * Default 0. * @type string $post_type The post type to query. Default 'page'. * @type string|array $post_status A comma-separated list or array of post statuses to include. * Default 'publish'. * } * @return WP_Post[]|int[]|false Array of pages (or hierarchical post type items). Boolean false if the * specified post type is not hierarchical or the specified status is not * supported by the post type. */ function get_pages( $args = array() ) { global $wpdb; $defaults = array( 'child_of' => 0, 'sort_order' => 'ASC', 'sort_column' => 'post_title', 'hierarchical' => 1, 'exclude' => array(), 'include' => array(), 'meta_key' => '', 'meta_value' => '', 'authors' => '', 'parent' => -1, 'exclude_tree' => array(), 'number' => '', 'offset' => 0, 'post_type' => 'page', 'post_status' => 'publish', ); $parsed_args = wp_parse_args( $args, $defaults ); $number = (int) $parsed_args['number']; $offset = (int) $parsed_args['offset']; $child_of = (int) $parsed_args['child_of']; $hierarchical = $parsed_args['hierarchical']; $exclude = $parsed_args['exclude']; $meta_key = $parsed_args['meta_key']; $meta_value = $parsed_args['meta_value']; $parent = $parsed_args['parent']; $post_status = $parsed_args['post_status']; // Make sure the post type is hierarchical. $hierarchical_post_types = get_post_types( array( 'hierarchical' => true ) ); if ( ! in_array( $parsed_args['post_type'], $hierarchical_post_types, true ) ) { return false; } if ( $parent > 0 && ! $child_of ) { $hierarchical = false; } // Make sure we have a valid post status. if ( ! is_array( $post_status ) ) { $post_status = explode( ',', $post_status ); } if ( array_diff( $post_status, get_post_stati() ) ) { return false; } // $args can be whatever, only use the args defined in defaults to compute the key. $key = md5( serialize( wp_array_slice_assoc( $parsed_args, array_keys( $defaults ) ) ) ); $last_changed = wp_cache_get_last_changed( 'posts' ); $cache_key = "get_pages:$key:$last_changed"; $cache = wp_cache_get( $cache_key, 'posts' ); if ( false !== $cache ) { _prime_post_caches( $cache, false, false ); // Convert to WP_Post instances. $pages = array_map( 'get_post', $cache ); /** This filter is documented in wp-includes/post.php */ $pages = apply_filters( 'get_pages', $pages, $parsed_args ); return $pages; } $inclusions = ''; if ( ! empty( $parsed_args['include'] ) ) { $child_of = 0; // Ignore child_of, parent, exclude, meta_key, and meta_value params if using include. $parent = -1; $exclude = ''; $meta_key = ''; $meta_value = ''; $hierarchical = false; $incpages = wp_parse_id_list( $parsed_args['include'] ); if ( ! empty( $incpages ) ) { $inclusions = ' AND ID IN (' . implode( ',', $incpages ) . ')'; } } $exclusions = ''; if ( ! empty( $exclude ) ) { $expages = wp_parse_id_list( $exclude ); if ( ! empty( $expages ) ) { $exclusions = ' AND ID NOT IN (' . implode( ',', $expages ) . ')'; } } $author_query = ''; if ( ! empty( $parsed_args['authors'] ) ) { $post_authors = wp_parse_list( $parsed_args['authors'] ); if ( ! empty( $post_authors ) ) { foreach ( $post_authors as $post_author ) { // Do we have an author id or an author login? if ( 0 == (int) $post_author ) { $post_author = get_user_by( 'login', $post_author ); if ( empty( $post_author ) ) { continue; } if ( empty( $post_author->ID ) ) { continue; } $post_author = $post_author->ID; } if ( '' === $author_query ) { $author_query = $wpdb->prepare( ' post_author = %d ', $post_author ); } else { $author_query .= $wpdb->prepare( ' OR post_author = %d ', $post_author ); } } if ( '' !== $author_query ) { $author_query = " AND ($author_query)"; } } } $join = ''; $where = "$exclusions $inclusions "; if ( '' !== $meta_key || '' !== $meta_value ) { $join = " LEFT JOIN $wpdb->postmeta ON ( $wpdb->posts.ID = $wpdb->postmeta.post_id )"; // meta_key and meta_value might be slashed. $meta_key = wp_unslash( $meta_key ); $meta_value = wp_unslash( $meta_value ); if ( '' !== $meta_key ) { $where .= $wpdb->prepare( " AND $wpdb->postmeta.meta_key = %s", $meta_key ); } if ( '' !== $meta_value ) { $where .= $wpdb->prepare( " AND $wpdb->postmeta.meta_value = %s", $meta_value ); } } if ( is_array( $parent ) ) { $post_parent__in = implode( ',', array_map( 'absint', (array) $parent ) ); if ( ! empty( $post_parent__in ) ) { $where .= " AND post_parent IN ($post_parent__in)"; } } elseif ( $parent >= 0 ) { $where .= $wpdb->prepare( ' AND post_parent = %d ', $parent ); } if ( 1 === count( $post_status ) ) { $where_post_type = $wpdb->prepare( 'post_type = %s AND post_status = %s', $parsed_args['post_type'], reset( $post_status ) ); } else { $post_status = implode( "', '", $post_status ); $where_post_type = $wpdb->prepare( "post_type = %s AND post_status IN ('$post_status')", $parsed_args['post_type'] ); } $orderby_array = array(); $allowed_keys = array( 'author', 'post_author', 'date', 'post_date', 'title', 'post_title', 'name', 'post_name', 'modified', 'post_modified', 'modified_gmt', 'post_modified_gmt', 'menu_order', 'parent', 'post_parent', 'ID', 'rand', 'comment_count', ); foreach ( explode( ',', $parsed_args['sort_column'] ) as $orderby ) { $orderby = trim( $orderby ); if ( ! in_array( $orderby, $allowed_keys, true ) ) { continue; } switch ( $orderby ) { case 'menu_order': break; case 'ID': $orderby = "$wpdb->posts.ID"; break; case 'rand': $orderby = 'RAND()'; break; case 'comment_count': $orderby = "$wpdb->posts.comment_count"; break; default: if ( 0 === strpos( $orderby, 'post_' ) ) { $orderby = "$wpdb->posts." . $orderby; } else { $orderby = "$wpdb->posts.post_" . $orderby; } } $orderby_array[] = $orderby; } $sort_column = ! empty( $orderby_array ) ? implode( ',', $orderby_array ) : "$wpdb->posts.post_title"; $sort_order = strtoupper( $parsed_args['sort_order'] ); if ( '' !== $sort_order && ! in_array( $sort_order, array( 'ASC', 'DESC' ), true ) ) { $sort_order = 'ASC'; } $query = "SELECT * FROM $wpdb->posts $join WHERE ($where_post_type) $where "; $query .= $author_query; $query .= ' ORDER BY ' . $sort_column . ' ' . $sort_order; if ( ! empty( $number ) ) { $query .= ' LIMIT ' . $offset . ',' . $number; } $pages = $wpdb->get_results( $query ); if ( empty( $pages ) ) { wp_cache_set( $cache_key, array(), 'posts' ); /** This filter is documented in wp-includes/post.php */ $pages = apply_filters( 'get_pages', array(), $parsed_args ); return $pages; } // Sanitize before caching so it'll only get done once. $num_pages = count( $pages ); for ( $i = 0; $i < $num_pages; $i++ ) { $pages[ $i ] = sanitize_post( $pages[ $i ], 'raw' ); } // Update cache. update_post_cache( $pages ); if ( $child_of || $hierarchical ) { $pages = get_page_children( $child_of, $pages ); } if ( ! empty( $parsed_args['exclude_tree'] ) ) { $exclude = wp_parse_id_list( $parsed_args['exclude_tree'] ); foreach ( $exclude as $id ) { $children = get_page_children( $id, $pages ); foreach ( $children as $child ) { $exclude[] = $child->ID; } } $num_pages = count( $pages ); for ( $i = 0; $i < $num_pages; $i++ ) { if ( in_array( $pages[ $i ]->ID, $exclude, true ) ) { unset( $pages[ $i ] ); } } } $page_structure = array(); foreach ( $pages as $page ) { $page_structure[] = $page->ID; } wp_cache_set( $cache_key, $page_structure, 'posts' ); // Convert to WP_Post instances. $pages = array_map( 'get_post', $pages ); /** * Filters the retrieved list of pages. * * @since 2.1.0 * * @param WP_Post[] $pages Array of page objects. * @param array $parsed_args Array of get_pages() arguments. */ return apply_filters( 'get_pages', $pages, $parsed_args ); } // // Attachment functions. // /** * Determines whether an attachment URI is local and really an attachment. * * For more information on this and similar theme functions, check out * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ * Conditional Tags} article in the Theme Developer Handbook. * * @since 2.0.0 * * @param string $url URL to check * @return bool True on success, false on failure. */ function is_local_attachment( $url ) { if ( strpos( $url, home_url() ) === false ) { return false; } if ( strpos( $url, home_url( '/?attachment_id=' ) ) !== false ) { return true; } $id = url_to_postid( $url ); if ( $id ) { $post = get_post( $id ); if ( 'attachment' === $post->post_type ) { return true; } } return false; } /** * Insert an attachment. * * If you set the 'ID' in the $args parameter, it will mean that you are * updating and attempt to update the attachment. You can also set the * attachment name or title by setting the key 'post_name' or 'post_title'. * * You can set the dates for the attachment manually by setting the 'post_date' * and 'post_date_gmt' keys' values. * * By default, the comments will use the default settings for whether the * comments are allowed. You can close them manually or keep them open by * setting the value for the 'comment_status' key. * * @since 2.0.0 * @since 4.7.0 Added the `$wp_error` parameter to allow a WP_Error to be returned on failure. * @since 5.6.0 Added the `$fire_after_hooks` parameter. * * @see wp_insert_post() * * @param string|array $args Arguments for inserting an attachment. * @param string|false $file Optional. Filename. * @param int $parent Optional. Parent post ID. * @param bool $wp_error Optional. Whether to return a WP_Error on failure. Default false. * @param bool $fire_after_hooks Optional. Whether to fire the after insert hooks. Default true. * @return int|WP_Error The attachment ID on success. The value 0 or WP_Error on failure. */ function wp_insert_attachment( $args, $file = false, $parent = 0, $wp_error = false, $fire_after_hooks = true ) { $defaults = array( 'file' => $file, 'post_parent' => 0, ); $data = wp_parse_args( $args, $defaults ); if ( ! empty( $parent ) ) { $data['post_parent'] = $parent; } $data['post_type'] = 'attachment'; return wp_insert_post( $data, $wp_error, $fire_after_hooks ); } /** * Trash or delete an attachment. * * When an attachment is permanently deleted, the file will also be removed. * Deletion removes all post meta fields, taxonomy, comments, etc. associated * with the attachment (except the main post). * * The attachment is moved to the Trash instead of permanently deleted unless Trash * for media is disabled, item is already in the Trash, or $force_delete is true. * * @since 2.0.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $post_id Attachment ID. * @param bool $force_delete Optional. Whether to bypass Trash and force deletion. * Default false. * @return WP_Post|false|null Post data on success, false or null on failure. */ function wp_delete_attachment( $post_id, $force_delete = false ) { global $wpdb; $post = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE ID = %d", $post_id ) ); if ( ! $post ) { return $post; } $post = get_post( $post ); if ( 'attachment' !== $post->post_type ) { return false; } if ( ! $force_delete && EMPTY_TRASH_DAYS && MEDIA_TRASH && 'trash' !== $post->post_status ) { return wp_trash_post( $post_id ); } /** * Filters whether an attachment deletion should take place. * * @since 5.5.0 * * @param WP_Post|false|null $delete Whether to go forward with deletion. @TODO description * @param WP_Post $post Post object. * @param bool $force_delete Whether to bypass the Trash. */ $check = apply_filters( 'pre_delete_attachment', null, $post, $force_delete ); if ( null !== $check ) { return $check; } delete_post_meta( $post_id, '_wp_trash_meta_status' ); delete_post_meta( $post_id, '_wp_trash_meta_time' ); $meta = wp_get_attachment_metadata( $post_id ); $backup_sizes = get_post_meta( $post->ID, '_wp_attachment_backup_sizes', true ); $file = get_attached_file( $post_id ); if ( is_multisite() && is_string( $file ) && ! empty( $file ) ) { clean_dirsize_cache( $file ); } /** * Fires before an attachment is deleted, at the start of wp_delete_attachment(). * * @since 2.0.0 * @since 5.5.0 Added the `$post` parameter. * * @param int $post_id Attachment ID. * @param WP_Post $post Post object. */ do_action( 'delete_attachment', $post_id, $post ); wp_delete_object_term_relationships( $post_id, array( 'category', 'post_tag' ) ); wp_delete_object_term_relationships( $post_id, get_object_taxonomies( $post->post_type ) ); // Delete all for any posts. delete_metadata( 'post', null, '_thumbnail_id', $post_id, true ); wp_defer_comment_counting( true ); $comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d ORDER BY comment_ID DESC", $post_id ) ); foreach ( $comment_ids as $comment_id ) { wp_delete_comment( $comment_id, true ); } wp_defer_comment_counting( false ); $post_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $post_id ) ); foreach ( $post_meta_ids as $mid ) { delete_metadata_by_mid( 'post', $mid ); } /** This action is documented in wp-includes/post.php */ do_action( 'delete_post', $post_id, $post ); $result = $wpdb->delete( $wpdb->posts, array( 'ID' => $post_id ) ); if ( ! $result ) { return false; } /** This action is documented in wp-includes/post.php */ do_action( 'deleted_post', $post_id, $post ); wp_delete_attachment_files( $post_id, $meta, $backup_sizes, $file ); clean_post_cache( $post ); return $post; } /** * Deletes all files that belong to the given attachment. * * @since 4.9.7 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $post_id Attachment ID. * @param array $meta The attachment's meta data. * @param array $backup_sizes The meta data for the attachment's backup images. * @param string $file Absolute path to the attachment's file. * @return bool True on success, false on failure. */ function wp_delete_attachment_files( $post_id, $meta, $backup_sizes, $file ) { global $wpdb; $uploadpath = wp_get_upload_dir(); $deleted = true; if ( ! empty( $meta['thumb'] ) ) { // Don't delete the thumb if another attachment uses it. if ( ! $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value LIKE %s AND post_id <> %d", '%' . $wpdb->esc_like( $meta['thumb'] ) . '%', $post_id ) ) ) { $thumbfile = str_replace( wp_basename( $file ), $meta['thumb'], $file ); if ( ! empty( $thumbfile ) ) { $thumbfile = path_join( $uploadpath['basedir'], $thumbfile ); $thumbdir = path_join( $uploadpath['basedir'], dirname( $file ) ); if ( ! wp_delete_file_from_directory( $thumbfile, $thumbdir ) ) { $deleted = false; } } } } // Remove intermediate and backup images if there are any. if ( isset( $meta['sizes'] ) && is_array( $meta['sizes'] ) ) { $intermediate_dir = path_join( $uploadpath['basedir'], dirname( $file ) ); foreach ( $meta['sizes'] as $size => $sizeinfo ) { $intermediate_file = str_replace( wp_basename( $file ), $sizeinfo['file'], $file ); if ( ! empty( $intermediate_file ) ) { $intermediate_file = path_join( $uploadpath['basedir'], $intermediate_file ); if ( ! wp_delete_file_from_directory( $intermediate_file, $intermediate_dir ) ) { $deleted = false; } } } } if ( ! empty( $meta['original_image'] ) ) { if ( empty( $intermediate_dir ) ) { $intermediate_dir = path_join( $uploadpath['basedir'], dirname( $file ) ); } $original_image = str_replace( wp_basename( $file ), $meta['original_image'], $file ); if ( ! empty( $original_image ) ) { $original_image = path_join( $uploadpath['basedir'], $original_image ); if ( ! wp_delete_file_from_directory( $original_image, $intermediate_dir ) ) { $deleted = false; } } } if ( is_array( $backup_sizes ) ) { $del_dir = path_join( $uploadpath['basedir'], dirname( $meta['file'] ) ); foreach ( $backup_sizes as $size ) { $del_file = path_join( dirname( $meta['file'] ), $size['file'] ); if ( ! empty( $del_file ) ) { $del_file = path_join( $uploadpath['basedir'], $del_file ); if ( ! wp_delete_file_from_directory( $del_file, $del_dir ) ) { $deleted = false; } } } } if ( ! wp_delete_file_from_directory( $file, $uploadpath['basedir'] ) ) { $deleted = false; } return $deleted; } /** * Retrieves attachment metadata for attachment ID. * * @since 2.1.0 * * @param int $attachment_id Attachment post ID. Defaults to global $post. * @param bool $unfiltered Optional. If true, filters are not run. Default false. * @return array|false { * Attachment metadata. False on failure. * * @type int $width The width of the attachment. * @type int $height The height of the attachment. * @type string $file The file path relative to `wp-content/uploads`. * @type array $sizes Keys are size slugs, each value is an array containing * 'file', 'width', 'height', and 'mime-type'. * @type array $image_meta Image metadata. * @type int $filesize File size of the attachment. * } */ function wp_get_attachment_metadata( $attachment_id = 0, $unfiltered = false ) { $attachment_id = (int) $attachment_id; if ( ! $attachment_id ) { $post = get_post(); if ( ! $post ) { return false; } $attachment_id = $post->ID; } $data = get_post_meta( $attachment_id, '_wp_attachment_metadata', true ); if ( ! $data ) { return false; } if ( $unfiltered ) { return $data; } /** * Filters the attachment meta data. * * @since 2.1.0 * * @param array $data Array of meta data for the given attachment. * @param int $attachment_id Attachment post ID. */ return apply_filters( 'wp_get_attachment_metadata', $data, $attachment_id ); } /** * Updates metadata for an attachment. * * @since 2.1.0 * * @param int $attachment_id Attachment post ID. * @param array $data Attachment meta data. * @return int|false False if $post is invalid. */ function wp_update_attachment_metadata( $attachment_id, $data ) { $attachment_id = (int) $attachment_id; $post = get_post( $attachment_id ); if ( ! $post ) { return false; } /** * Filters the updated attachment meta data. * * @since 2.1.0 * * @param array $data Array of updated attachment meta data. * @param int $attachment_id Attachment post ID. */ $data = apply_filters( 'wp_update_attachment_metadata', $data, $post->ID ); if ( $data ) { return update_post_meta( $post->ID, '_wp_attachment_metadata', $data ); } else { return delete_post_meta( $post->ID, '_wp_attachment_metadata' ); } } /** * Retrieve the URL for an attachment. * * @since 2.1.0 * * @global string $pagenow The filename of the current screen. * * @param int $attachment_id Optional. Attachment post ID. Defaults to global $post. * @return string|false Attachment URL, otherwise false. */ function wp_get_attachment_url( $attachment_id = 0 ) { global $pagenow; $attachment_id = (int) $attachment_id; $post = get_post( $attachment_id ); if ( ! $post ) { return false; } if ( 'attachment' !== $post->post_type ) { return false; } $url = ''; // Get attached file. $file = get_post_meta( $post->ID, '_wp_attached_file', true ); if ( $file ) { // Get upload directory. $uploads = wp_get_upload_dir(); if ( $uploads && false === $uploads['error'] ) { // Check that the upload base exists in the file location. if ( 0 === strpos( $file, $uploads['basedir'] ) ) { // Replace file location with url location. $url = str_replace( $uploads['basedir'], $uploads['baseurl'], $file ); } elseif ( false !== strpos( $file, 'wp-content/uploads' ) ) { // Get the directory name relative to the basedir (back compat for pre-2.7 uploads). $url = trailingslashit( $uploads['baseurl'] . '/' . _wp_get_attachment_relative_path( $file ) ) . wp_basename( $file ); } else { // It's a newly-uploaded file, therefore $file is relative to the basedir. $url = $uploads['baseurl'] . "/$file"; } } } /* * If any of the above options failed, Fallback on the GUID as used pre-2.7, * not recommended to rely upon this. */ if ( ! $url ) { $url = get_the_guid( $post->ID ); } // On SSL front end, URLs should be HTTPS. if ( is_ssl() && ! is_admin() && 'wp-login.php' !== $pagenow ) { $url = set_url_scheme( $url ); } /** * Filters the attachment URL. * * @since 2.1.0 * * @param string $url URL for the given attachment. * @param int $attachment_id Attachment post ID. */ $url = apply_filters( 'wp_get_attachment_url', $url, $post->ID ); if ( ! $url ) { return false; } return $url; } /** * Retrieves the caption for an attachment. * * @since 4.6.0 * * @param int $post_id Optional. Attachment ID. Default is the ID of the global `$post`. * @return string|false Attachment caption on success, false on failure. */ function wp_get_attachment_caption( $post_id = 0 ) { $post_id = (int) $post_id; $post = get_post( $post_id ); if ( ! $post ) { return false; } if ( 'attachment' !== $post->post_type ) { return false; } $caption = $post->post_excerpt; /** * Filters the attachment caption. * * @since 4.6.0 * * @param string $caption Caption for the given attachment. * @param int $post_id Attachment ID. */ return apply_filters( 'wp_get_attachment_caption', $caption, $post->ID ); } /** * Retrieve thumbnail for an attachment. * * @since 2.1.0 * * @param int $post_id Optional. Attachment ID. Default is the ID of the global `$post`. * @return string|false Thumbnail file path on success, false on failure. */ function wp_get_attachment_thumb_file( $post_id = 0 ) { $post_id = (int) $post_id; $post = get_post( $post_id ); if ( ! $post ) { return false; } $imagedata = wp_get_attachment_metadata( $post->ID ); if ( ! is_array( $imagedata ) ) { return false; } $file = get_attached_file( $post->ID ); if ( ! empty( $imagedata['thumb'] ) ) { $thumbfile = str_replace( wp_basename( $file ), $imagedata['thumb'], $file ); if ( file_exists( $thumbfile ) ) { /** * Filters the attachment thumbnail file path. * * @since 2.1.0 * * @param string $thumbfile File path to the attachment thumbnail. * @param int $post_id Attachment ID. */ return apply_filters( 'wp_get_attachment_thumb_file', $thumbfile, $post->ID ); } } return false; } /** * Retrieve URL for an attachment thumbnail. * * @since 2.1.0 * * @param int $post_id Optional. Attachment ID. Default is the ID of the global `$post`. * @return string|false Thumbnail URL on success, false on failure. */ function wp_get_attachment_thumb_url( $post_id = 0 ) { $post_id = (int) $post_id; $post = get_post( $post_id ); if ( ! $post ) { return false; } $url = wp_get_attachment_url( $post->ID ); if ( ! $url ) { return false; } $sized = image_downsize( $post_id, 'thumbnail' ); if ( $sized ) { return $sized[0]; } $thumb = wp_get_attachment_thumb_file( $post->ID ); if ( ! $thumb ) { return false; } $url = str_replace( wp_basename( $url ), wp_basename( $thumb ), $url ); /** * Filters the attachment thumbnail URL. * * @since 2.1.0 * * @param string $url URL for the attachment thumbnail. * @param int $post_id Attachment ID. */ return apply_filters( 'wp_get_attachment_thumb_url', $url, $post->ID ); } /** * Verifies an attachment is of a given type. * * @since 4.2.0 * * @param string $type Attachment type. Accepts 'image', 'audio', or 'video'. * @param int|WP_Post $post Optional. Attachment ID or object. Default is global $post. * @return bool True if one of the accepted types, false otherwise. */ function wp_attachment_is( $type, $post = null ) { $post = get_post( $post ); if ( ! $post ) { return false; } $file = get_attached_file( $post->ID ); if ( ! $file ) { return false; } if ( 0 === strpos( $post->post_mime_type, $type . '/' ) ) { return true; } $check = wp_check_filetype( $file ); if ( empty( $check['ext'] ) ) { return false; } $ext = $check['ext']; if ( 'import' !== $post->post_mime_type ) { return $type === $ext; } switch ( $type ) { case 'image': $image_exts = array( 'jpg', 'jpeg', 'jpe', 'gif', 'png', 'webp' ); return in_array( $ext, $image_exts, true ); case 'audio': return in_array( $ext, wp_get_audio_extensions(), true ); case 'video': return in_array( $ext, wp_get_video_extensions(), true ); default: return $type === $ext; } } /** * Determines whether an attachment is an image. * * For more information on this and similar theme functions, check out * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ * Conditional Tags} article in the Theme Developer Handbook. * * @since 2.1.0 * @since 4.2.0 Modified into wrapper for wp_attachment_is() and * allowed WP_Post object to be passed. * * @param int|WP_Post $post Optional. Attachment ID or object. Default is global $post. * @return bool Whether the attachment is an image. */ function wp_attachment_is_image( $post = null ) { return wp_attachment_is( 'image', $post ); } /** * Retrieve the icon for a MIME type or attachment. * * @since 2.1.0 * * @param string|int $mime MIME type or attachment ID. * @return string|false Icon, false otherwise. */ function wp_mime_type_icon( $mime = 0 ) { if ( ! is_numeric( $mime ) ) { $icon = wp_cache_get( "mime_type_icon_$mime" ); } $post_id = 0; if ( empty( $icon ) ) { $post_mimes = array(); if ( is_numeric( $mime ) ) { $mime = (int) $mime; $post = get_post( $mime ); if ( $post ) { $post_id = (int) $post->ID; $file = get_attached_file( $post_id ); $ext = preg_replace( '/^.+?\.([^.]+)$/', '$1', $file ); if ( ! empty( $ext ) ) { $post_mimes[] = $ext; $ext_type = wp_ext2type( $ext ); if ( $ext_type ) { $post_mimes[] = $ext_type; } } $mime = $post->post_mime_type; } else { $mime = 0; } } else { $post_mimes[] = $mime; } $icon_files = wp_cache_get( 'icon_files' ); if ( ! is_array( $icon_files ) ) { /** * Filters the icon directory path. * * @since 2.0.0 * * @param string $path Icon directory absolute path. */ $icon_dir = apply_filters( 'icon_dir', ABSPATH . WPINC . '/images/media' ); /** * Filters the icon directory URI. * * @since 2.0.0 * * @param string $uri Icon directory URI. */ $icon_dir_uri = apply_filters( 'icon_dir_uri', includes_url( 'images/media' ) ); /** * Filters the array of icon directory URIs. * * @since 2.5.0 * * @param string[] $uris Array of icon directory URIs keyed by directory absolute path. */ $dirs = apply_filters( 'icon_dirs', array( $icon_dir => $icon_dir_uri ) ); $icon_files = array(); while ( $dirs ) { $keys = array_keys( $dirs ); $dir = array_shift( $keys ); $uri = array_shift( $dirs ); $dh = opendir( $dir ); if ( $dh ) { while ( false !== $file = readdir( $dh ) ) { $file = wp_basename( $file ); if ( '.' === substr( $file, 0, 1 ) ) { continue; } $ext = strtolower( substr( $file, -4 ) ); if ( ! in_array( $ext, array( '.png', '.gif', '.jpg' ), true ) ) { if ( is_dir( "$dir/$file" ) ) { $dirs[ "$dir/$file" ] = "$uri/$file"; } continue; } $icon_files[ "$dir/$file" ] = "$uri/$file"; } closedir( $dh ); } } wp_cache_add( 'icon_files', $icon_files, 'default', 600 ); } $types = array(); // Icon wp_basename - extension = MIME wildcard. foreach ( $icon_files as $file => $uri ) { $types[ preg_replace( '/^([^.]*).*$/', '$1', wp_basename( $file ) ) ] =& $icon_files[ $file ]; } if ( ! empty( $mime ) ) { $post_mimes[] = substr( $mime, 0, strpos( $mime, '/' ) ); $post_mimes[] = substr( $mime, strpos( $mime, '/' ) + 1 ); $post_mimes[] = str_replace( '/', '_', $mime ); } $matches = wp_match_mime_types( array_keys( $types ), $post_mimes ); $matches['default'] = array( 'default' ); foreach ( $matches as $match => $wilds ) { foreach ( $wilds as $wild ) { if ( ! isset( $types[ $wild ] ) ) { continue; } $icon = $types[ $wild ]; if ( ! is_numeric( $mime ) ) { wp_cache_add( "mime_type_icon_$mime", $icon ); } break 2; } } } /** * Filters the mime type icon. * * @since 2.1.0 * * @param string $icon Path to the mime type icon. * @param string $mime Mime type. * @param int $post_id Attachment ID. Will equal 0 if the function passed * the mime type. */ return apply_filters( 'wp_mime_type_icon', $icon, $mime, $post_id ); } /** * Check for changed slugs for published post objects and save the old slug. * * The function is used when a post object of any type is updated, * by comparing the current and previous post objects. * * If the slug was changed and not already part of the old slugs then it will be * added to the post meta field ('_wp_old_slug') for storing old slugs for that * post. * * The most logically usage of this function is redirecting changed post objects, so * that those that linked to an changed post will be redirected to the new post. * * @since 2.1.0 * * @param int $post_id Post ID. * @param WP_Post $post The Post Object * @param WP_Post $post_before The Previous Post Object */ function wp_check_for_changed_slugs( $post_id, $post, $post_before ) { // Don't bother if it hasn't changed. if ( $post->post_name == $post_before->post_name ) { return; } // We're only concerned with published, non-hierarchical objects. if ( ! ( 'publish' === $post->post_status || ( 'attachment' === get_post_type( $post ) && 'inherit' === $post->post_status ) ) || is_post_type_hierarchical( $post->post_type ) ) { return; } $old_slugs = (array) get_post_meta( $post_id, '_wp_old_slug' ); // If we haven't added this old slug before, add it now. if ( ! empty( $post_before->post_name ) && ! in_array( $post_before->post_name, $old_slugs, true ) ) { add_post_meta( $post_id, '_wp_old_slug', $post_before->post_name ); } // If the new slug was used previously, delete it from the list. if ( in_array( $post->post_name, $old_slugs, true ) ) { delete_post_meta( $post_id, '_wp_old_slug', $post->post_name ); } } /** * Check for changed dates for published post objects and save the old date. * * The function is used when a post object of any type is updated, * by comparing the current and previous post objects. * * If the date was changed and not already part of the old dates then it will be * added to the post meta field ('_wp_old_date') for storing old dates for that * post. * * The most logically usage of this function is redirecting changed post objects, so * that those that linked to an changed post will be redirected to the new post. * * @since 4.9.3 * * @param int $post_id Post ID. * @param WP_Post $post The Post Object * @param WP_Post $post_before The Previous Post Object */ function wp_check_for_changed_dates( $post_id, $post, $post_before ) { $previous_date = gmdate( 'Y-m-d', strtotime( $post_before->post_date ) ); $new_date = gmdate( 'Y-m-d', strtotime( $post->post_date ) ); // Don't bother if it hasn't changed. if ( $new_date == $previous_date ) { return; } // We're only concerned with published, non-hierarchical objects. if ( ! ( 'publish' === $post->post_status || ( 'attachment' === get_post_type( $post ) && 'inherit' === $post->post_status ) ) || is_post_type_hierarchical( $post->post_type ) ) { return; } $old_dates = (array) get_post_meta( $post_id, '_wp_old_date' ); // If we haven't added this old date before, add it now. if ( ! empty( $previous_date ) && ! in_array( $previous_date, $old_dates, true ) ) { add_post_meta( $post_id, '_wp_old_date', $previous_date ); } // If the new slug was used previously, delete it from the list. if ( in_array( $new_date, $old_dates, true ) ) { delete_post_meta( $post_id, '_wp_old_date', $new_date ); } } /** * Retrieve the private post SQL based on capability. * * This function provides a standardized way to appropriately select on the * post_status of a post type. The function will return a piece of SQL code * that can be added to a WHERE clause; this SQL is constructed to allow all * published posts, and all private posts to which the user has access. * * @since 2.2.0 * @since 4.3.0 Added the ability to pass an array to `$post_type`. * * @param string|array $post_type Single post type or an array of post types. Currently only supports 'post' or 'page'. * @return string SQL code that can be added to a where clause. */ function get_private_posts_cap_sql( $post_type ) { return get_posts_by_author_sql( $post_type, false ); } /** * Retrieve the post SQL based on capability, author, and type. * * @since 3.0.0 * @since 4.3.0 Introduced the ability to pass an array of post types to `$post_type`. * * @see get_private_posts_cap_sql() * @global wpdb $wpdb WordPress database abstraction object. * * @param string|string[] $post_type Single post type or an array of post types. * @param bool $full Optional. Returns a full WHERE statement instead of just * an 'andalso' term. Default true. * @param int $post_author Optional. Query posts having a single author ID. Default null. * @param bool $public_only Optional. Only return public posts. Skips cap checks for * $current_user. Default false. * @return string SQL WHERE code that can be added to a query. */ function get_posts_by_author_sql( $post_type, $full = true, $post_author = null, $public_only = false ) { global $wpdb; if ( is_array( $post_type ) ) { $post_types = $post_type; } else { $post_types = array( $post_type ); } $post_type_clauses = array(); foreach ( $post_types as $post_type ) { $post_type_obj = get_post_type_object( $post_type ); if ( ! $post_type_obj ) { continue; } /** * Filters the capability to read private posts for a custom post type * when generating SQL for getting posts by author. * * @since 2.2.0 * @deprecated 3.2.0 The hook transitioned from "somewhat useless" to "totally useless". * * @param string $cap Capability. */ $cap = apply_filters_deprecated( 'pub_priv_sql_capability', array( '' ), '3.2.0' ); if ( ! $cap ) { $cap = current_user_can( $post_type_obj->cap->read_private_posts ); } // Only need to check the cap if $public_only is false. $post_status_sql = "post_status = 'publish'"; if ( false === $public_only ) { if ( $cap ) { // Does the user have the capability to view private posts? Guess so. $post_status_sql .= " OR post_status = 'private'"; } elseif ( is_user_logged_in() ) { // Users can view their own private posts. $id = get_current_user_id(); if ( null === $post_author || ! $full ) { $post_status_sql .= " OR post_status = 'private' AND post_author = $id"; } elseif ( $id == (int) $post_author ) { $post_status_sql .= " OR post_status = 'private'"; } // Else none. } // Else none. } $post_type_clauses[] = "( post_type = '" . $post_type . "' AND ( $post_status_sql ) )"; } if ( empty( $post_type_clauses ) ) { return $full ? 'WHERE 1 = 0' : '1 = 0'; } $sql = '( ' . implode( ' OR ', $post_type_clauses ) . ' )'; if ( null !== $post_author ) { $sql .= $wpdb->prepare( ' AND post_author = %d', $post_author ); } if ( $full ) { $sql = 'WHERE ' . $sql; } return $sql; } /** * Retrieves the most recent time that a post on the site was published. * * The server timezone is the default and is the difference between GMT and * server time. The 'blog' value is the date when the last post was posted. * The 'gmt' is when the last post was posted in GMT formatted date. * * @since 0.71 * @since 4.4.0 The `$post_type` argument was added. * * @param string $timezone Optional. The timezone for the timestamp. Accepts 'server', 'blog', or 'gmt'. * 'server' uses the server's internal timezone. * 'blog' uses the `post_date` field, which proxies to the timezone set for the site. * 'gmt' uses the `post_date_gmt` field. * Default 'server'. * @param string $post_type Optional. The post type to check. Default 'any'. * @return string The date of the last post, or false on failure. */ function get_lastpostdate( $timezone = 'server', $post_type = 'any' ) { $lastpostdate = _get_last_post_time( $timezone, 'date', $post_type ); /** * Filters the most recent time that a post on the site was published. * * @since 2.3.0 * @since 5.5.0 Added the `$post_type` parameter. * * @param string|false $lastpostdate The most recent time that a post was published, * in 'Y-m-d H:i:s' format. False on failure. * @param string $timezone Location to use for getting the post published date. * See get_lastpostdate() for accepted `$timezone` values. * @param string $post_type The post type to check. */ return apply_filters( 'get_lastpostdate', $lastpostdate, $timezone, $post_type ); } /** * Get the most recent time that a post on the site was modified. * * The server timezone is the default and is the difference between GMT and * server time. The 'blog' value is just when the last post was modified. * The 'gmt' is when the last post was modified in GMT time. * * @since 1.2.0 * @since 4.4.0 The `$post_type` argument was added. * * @param string $timezone Optional. The timezone for the timestamp. See get_lastpostdate() * for information on accepted values. * Default 'server'. * @param string $post_type Optional. The post type to check. Default 'any'. * @return string The timestamp in 'Y-m-d H:i:s' format, or false on failure. */ function get_lastpostmodified( $timezone = 'server', $post_type = 'any' ) { /** * Pre-filter the return value of get_lastpostmodified() before the query is run. * * @since 4.4.0 * * @param string|false $lastpostmodified The most recent time that a post was modified, * in 'Y-m-d H:i:s' format, or false. Returning anything * other than false will short-circuit the function. * @param string $timezone Location to use for getting the post modified date. * See get_lastpostdate() for accepted `$timezone` values. * @param string $post_type The post type to check. */ $lastpostmodified = apply_filters( 'pre_get_lastpostmodified', false, $timezone, $post_type ); if ( false !== $lastpostmodified ) { return $lastpostmodified; } $lastpostmodified = _get_last_post_time( $timezone, 'modified', $post_type ); $lastpostdate = get_lastpostdate( $timezone, $post_type ); if ( $lastpostdate > $lastpostmodified ) { $lastpostmodified = $lastpostdate; } /** * Filters the most recent time that a post on the site was modified. * * @since 2.3.0 * @since 5.5.0 Added the `$post_type` parameter. * * @param string|false $lastpostmodified The most recent time that a post was modified, * in 'Y-m-d H:i:s' format. False on failure. * @param string $timezone Location to use for getting the post modified date. * See get_lastpostdate() for accepted `$timezone` values. * @param string $post_type The post type to check. */ return apply_filters( 'get_lastpostmodified', $lastpostmodified, $timezone, $post_type ); } /** * Gets the timestamp of the last time any post was modified or published. * * @since 3.1.0 * @since 4.4.0 The `$post_type` argument was added. * @access private * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $timezone The timezone for the timestamp. See get_lastpostdate(). * for information on accepted values. * @param string $field Post field to check. Accepts 'date' or 'modified'. * @param string $post_type Optional. The post type to check. Default 'any'. * @return string|false The timestamp in 'Y-m-d H:i:s' format, or false on failure. */ function _get_last_post_time( $timezone, $field, $post_type = 'any' ) { global $wpdb; if ( ! in_array( $field, array( 'date', 'modified' ), true ) ) { return false; } $timezone = strtolower( $timezone ); $key = "lastpost{$field}:$timezone"; if ( 'any' !== $post_type ) { $key .= ':' . sanitize_key( $post_type ); } $date = wp_cache_get( $key, 'timeinfo' ); if ( false !== $date ) { return $date; } if ( 'any' === $post_type ) { $post_types = get_post_types( array( 'public' => true ) ); array_walk( $post_types, array( $wpdb, 'escape_by_ref' ) ); $post_types = "'" . implode( "', '", $post_types ) . "'"; } else { $post_types = "'" . sanitize_key( $post_type ) . "'"; } switch ( $timezone ) { case 'gmt': $date = $wpdb->get_var( "SELECT post_{$field}_gmt FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1" ); break; case 'blog': $date = $wpdb->get_var( "SELECT post_{$field} FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1" ); break; case 'server': $add_seconds_server = gmdate( 'Z' ); $date = $wpdb->get_var( "SELECT DATE_ADD(post_{$field}_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1" ); break; } if ( $date ) { wp_cache_set( $key, $date, 'timeinfo' ); return $date; } return false; } /** * Updates posts in cache. * * @since 1.5.1 * * @param WP_Post[] $posts Array of post objects (passed by reference). */ function update_post_cache( &$posts ) { if ( ! $posts ) { return; } $data = array(); foreach ( $posts as $post ) { if ( empty( $post->filter ) || 'raw' !== $post->filter ) { $post = sanitize_post( $post, 'raw' ); } $data[ $post->ID ] = $post; } wp_cache_add_multiple( $data, 'posts' ); } /** * Will clean the post in the cache. * * Cleaning means delete from the cache of the post. Will call to clean the term * object cache associated with the post ID. * * This function not run if $_wp_suspend_cache_invalidation is not empty. See * wp_suspend_cache_invalidation(). * * @since 2.0.0 * * @global bool $_wp_suspend_cache_invalidation * * @param int|WP_Post $post Post ID or post object to remove from the cache. */ function clean_post_cache( $post ) { global $_wp_suspend_cache_invalidation; if ( ! empty( $_wp_suspend_cache_invalidation ) ) { return; } $post = get_post( $post ); if ( ! $post ) { return; } wp_cache_delete( $post->ID, 'posts' ); wp_cache_delete( $post->ID, 'post_meta' ); clean_object_term_cache( $post->ID, $post->post_type ); wp_cache_delete( 'wp_get_archives', 'general' ); /** * Fires immediately after the given post's cache is cleaned. * * @since 2.5.0 * * @param int $post_id Post ID. * @param WP_Post $post Post object. */ do_action( 'clean_post_cache', $post->ID, $post ); if ( 'page' === $post->post_type ) { wp_cache_delete( 'all_page_ids', 'posts' ); /** * Fires immediately after the given page's cache is cleaned. * * @since 2.5.0 * * @param int $post_id Post ID. */ do_action( 'clean_page_cache', $post->ID ); } wp_cache_set( 'last_changed', microtime(), 'posts' ); } /** * Call major cache updating functions for list of Post objects. * * @since 1.5.0 * * @param WP_Post[] $posts Array of Post objects * @param string $post_type Optional. Post type. Default 'post'. * @param bool $update_term_cache Optional. Whether to update the term cache. Default true. * @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true. */ function update_post_caches( &$posts, $post_type = 'post', $update_term_cache = true, $update_meta_cache = true ) { // No point in doing all this work if we didn't match any posts. if ( ! $posts ) { return; } update_post_cache( $posts ); $post_ids = array(); foreach ( $posts as $post ) { $post_ids[] = $post->ID; } if ( ! $post_type ) { $post_type = 'any'; } if ( $update_term_cache ) { if ( is_array( $post_type ) ) { $ptypes = $post_type; } elseif ( 'any' === $post_type ) { $ptypes = array(); // Just use the post_types in the supplied posts. foreach ( $posts as $post ) { $ptypes[] = $post->post_type; } $ptypes = array_unique( $ptypes ); } else { $ptypes = array( $post_type ); } if ( ! empty( $ptypes ) ) { update_object_term_cache( $post_ids, $ptypes ); } } if ( $update_meta_cache ) { update_postmeta_cache( $post_ids ); } } /** * Updates metadata cache for list of post IDs. * * Performs SQL query to retrieve the metadata for the post IDs and updates the * metadata cache for the posts. Therefore, the functions, which call this * function, do not need to perform SQL queries on their own. * * @since 2.1.0 * * @param int[] $post_ids Array of post IDs. * @return array|false An array of metadata on success, false if there is nothing to update. */ function update_postmeta_cache( $post_ids ) { return update_meta_cache( 'post', $post_ids ); } /** * Will clean the attachment in the cache. * * Cleaning means delete from the cache. Optionally will clean the term * object cache associated with the attachment ID. * * This function will not run if $_wp_suspend_cache_invalidation is not empty. * * @since 3.0.0 * * @global bool $_wp_suspend_cache_invalidation * * @param int $id The attachment ID in the cache to clean. * @param bool $clean_terms Optional. Whether to clean terms cache. Default false. */ function clean_attachment_cache( $id, $clean_terms = false ) { global $_wp_suspend_cache_invalidation; if ( ! empty( $_wp_suspend_cache_invalidation ) ) { return; } $id = (int) $id; wp_cache_delete( $id, 'posts' ); wp_cache_delete( $id, 'post_meta' ); if ( $clean_terms ) { clean_object_term_cache( $id, 'attachment' ); } /** * Fires after the given attachment's cache is cleaned. * * @since 3.0.0 * * @param int $id Attachment ID. */ do_action( 'clean_attachment_cache', $id ); } // // Hooks. // /** * Hook for managing future post transitions to published. * * @since 2.3.0 * @access private * * @see wp_clear_scheduled_hook() * @global wpdb $wpdb WordPress database abstraction object. * * @param string $new_status New post status. * @param string $old_status Previous post status. * @param WP_Post $post Post object. */ function _transition_post_status( $new_status, $old_status, $post ) { global $wpdb; if ( 'publish' !== $old_status && 'publish' === $new_status ) { // Reset GUID if transitioning to publish and it is empty. if ( '' === get_the_guid( $post->ID ) ) { $wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post->ID ) ), array( 'ID' => $post->ID ) ); } /** * Fires when a post's status is transitioned from private to published. * * @since 1.5.0 * @deprecated 2.3.0 Use {@see 'private_to_publish'} instead. * * @param int $post_id Post ID. */ do_action_deprecated( 'private_to_published', array( $post->ID ), '2.3.0', 'private_to_publish' ); } // If published posts changed clear the lastpostmodified cache. if ( 'publish' === $new_status || 'publish' === $old_status ) { foreach ( array( 'server', 'gmt', 'blog' ) as $timezone ) { wp_cache_delete( "lastpostmodified:$timezone", 'timeinfo' ); wp_cache_delete( "lastpostdate:$timezone", 'timeinfo' ); wp_cache_delete( "lastpostdate:$timezone:{$post->post_type}", 'timeinfo' ); } } if ( $new_status !== $old_status ) { wp_cache_delete( _count_posts_cache_key( $post->post_type ), 'counts' ); wp_cache_delete( _count_posts_cache_key( $post->post_type, 'readable' ), 'counts' ); } // Always clears the hook in case the post status bounced from future to draft. wp_clear_scheduled_hook( 'publish_future_post', array( $post->ID ) ); } /** * Hook used to schedule publication for a post marked for the future. * * The $post properties used and must exist are 'ID' and 'post_date_gmt'. * * @since 2.3.0 * @access private * * @param int $deprecated Not used. Can be set to null. Never implemented. Not marked * as deprecated with _deprecated_argument() as it conflicts with * wp_transition_post_status() and the default filter for _future_post_hook(). * @param WP_Post $post Post object. */ function _future_post_hook( $deprecated, $post ) { wp_clear_scheduled_hook( 'publish_future_post', array( $post->ID ) ); wp_schedule_single_event( strtotime( get_gmt_from_date( $post->post_date ) . ' GMT' ), 'publish_future_post', array( $post->ID ) ); } /** * Hook to schedule pings and enclosures when a post is published. * * Uses XMLRPC_REQUEST and WP_IMPORTING constants. * * @since 2.3.0 * @access private * * @param int $post_id The ID of the post being published. */ function _publish_post_hook( $post_id ) { if ( defined( 'XMLRPC_REQUEST' ) ) { /** * Fires when _publish_post_hook() is called during an XML-RPC request. * * @since 2.1.0 * * @param int $post_id Post ID. */ do_action( 'xmlrpc_publish_post', $post_id ); } if ( defined( 'WP_IMPORTING' ) ) { return; } if ( get_option( 'default_pingback_flag' ) ) { add_post_meta( $post_id, '_pingme', '1', true ); } add_post_meta( $post_id, '_encloseme', '1', true ); $to_ping = get_to_ping( $post_id ); if ( ! empty( $to_ping ) ) { add_post_meta( $post_id, '_trackbackme', '1' ); } if ( ! wp_next_scheduled( 'do_pings' ) ) { wp_schedule_single_event( time(), 'do_pings' ); } } /** * Returns the ID of the post's parent. * * @since 3.1.0 * @since 5.9.0 The `$post` parameter was made optional. * * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post. * @return int|false Post parent ID (which can be 0 if there is no parent), * or false if the post does not exist. */ function wp_get_post_parent_id( $post = null ) { $post = get_post( $post ); if ( ! $post || is_wp_error( $post ) ) { return false; } return (int) $post->post_parent; } /** * Check the given subset of the post hierarchy for hierarchy loops. * * Prevents loops from forming and breaks those that it finds. Attached * to the {@see 'wp_insert_post_parent'} filter. * * @since 3.1.0 * * @see wp_find_hierarchy_loop() * * @param int $post_parent ID of the parent for the post we're checking. * @param int $post_ID ID of the post we're checking. * @return int The new post_parent for the post, 0 otherwise. */ function wp_check_post_hierarchy_for_loops( $post_parent, $post_ID ) { // Nothing fancy here - bail. if ( ! $post_parent ) { return 0; } // New post can't cause a loop. if ( ! $post_ID ) { return $post_parent; } // Can't be its own parent. if ( $post_parent == $post_ID ) { return 0; } // Now look for larger loops. $loop = wp_find_hierarchy_loop( 'wp_get_post_parent_id', $post_ID, $post_parent ); if ( ! $loop ) { return $post_parent; // No loop. } // Setting $post_parent to the given value causes a loop. if ( isset( $loop[ $post_ID ] ) ) { return 0; } // There's a loop, but it doesn't contain $post_ID. Break the loop. foreach ( array_keys( $loop ) as $loop_member ) { wp_update_post( array( 'ID' => $loop_member, 'post_parent' => 0, ) ); } return $post_parent; } /** * Sets the post thumbnail (featured image) for the given post. * * @since 3.1.0 * * @param int|WP_Post $post Post ID or post object where thumbnail should be attached. * @param int $thumbnail_id Thumbnail to attach. * @return int|bool True on success, false on failure. */ function set_post_thumbnail( $post, $thumbnail_id ) { $post = get_post( $post ); $thumbnail_id = absint( $thumbnail_id ); if ( $post && $thumbnail_id && get_post( $thumbnail_id ) ) { if ( wp_get_attachment_image( $thumbnail_id, 'thumbnail' ) ) { return update_post_meta( $post->ID, '_thumbnail_id', $thumbnail_id ); } else { return delete_post_meta( $post->ID, '_thumbnail_id' ); } } return false; } /** * Removes the thumbnail (featured image) from the given post. * * @since 3.3.0 * * @param int|WP_Post $post Post ID or post object from which the thumbnail should be removed. * @return bool True on success, false on failure. */ function delete_post_thumbnail( $post ) { $post = get_post( $post ); if ( $post ) { return delete_post_meta( $post->ID, '_thumbnail_id' ); } return false; } /** * Delete auto-drafts for new posts that are > 7 days old. * * @since 3.4.0 * * @global wpdb $wpdb WordPress database abstraction object. */ function wp_delete_auto_drafts() { global $wpdb; // Cleanup old auto-drafts more than 7 days old. $old_posts = $wpdb->get_col( "SELECT ID FROM $wpdb->posts WHERE post_status = 'auto-draft' AND DATE_SUB( NOW(), INTERVAL 7 DAY ) > post_date" ); foreach ( (array) $old_posts as $delete ) { // Force delete. wp_delete_post( $delete, true ); } } /** * Queues posts for lazy-loading of term meta. * * @since 4.5.0 * * @param array $posts Array of WP_Post objects. */ function wp_queue_posts_for_term_meta_lazyload( $posts ) { $post_type_taxonomies = array(); $term_ids = array(); foreach ( $posts as $post ) { if ( ! ( $post instanceof WP_Post ) ) { continue; } if ( ! isset( $post_type_taxonomies[ $post->post_type ] ) ) { $post_type_taxonomies[ $post->post_type ] = get_object_taxonomies( $post->post_type ); } foreach ( $post_type_taxonomies[ $post->post_type ] as $taxonomy ) { // Term cache should already be primed by `update_post_term_cache()`. $terms = get_object_term_cache( $post->ID, $taxonomy ); if ( false !== $terms ) { foreach ( $terms as $term ) { if ( ! in_array( $term->term_id, $term_ids, true ) ) { $term_ids[] = $term->term_id; } } } } } if ( $term_ids ) { $lazyloader = wp_metadata_lazyloader(); $lazyloader->queue_objects( 'term', $term_ids ); } } /** * Update the custom taxonomies' term counts when a post's status is changed. * * For example, default posts term counts (for custom taxonomies) don't include * private / draft posts. * * @since 3.3.0 * @access private * * @param string $new_status New post status. * @param string $old_status Old post status. * @param WP_Post $post Post object. */ function _update_term_count_on_transition_post_status( $new_status, $old_status, $post ) { // Update counts for the post's terms. foreach ( (array) get_object_taxonomies( $post->post_type ) as $taxonomy ) { $tt_ids = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'tt_ids' ) ); wp_update_term_count( $tt_ids, $taxonomy ); } } /** * Adds any posts from the given IDs to the cache that do not already exist in cache. * * @since 3.4.0 * @access private * * @see update_post_caches() * * @global wpdb $wpdb WordPress database abstraction object. * * @param array $ids ID list. * @param bool $update_term_cache Optional. Whether to update the term cache. Default true. * @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true. */ function _prime_post_caches( $ids, $update_term_cache = true, $update_meta_cache = true ) { global $wpdb; $non_cached_ids = _get_non_cached_ids( $ids, 'posts' ); if ( ! empty( $non_cached_ids ) ) { $fresh_posts = $wpdb->get_results( sprintf( "SELECT $wpdb->posts.* FROM $wpdb->posts WHERE ID IN (%s)", implode( ',', $non_cached_ids ) ) ); update_post_caches( $fresh_posts, 'any', $update_term_cache, $update_meta_cache ); } } /** * Adds a suffix if any trashed posts have a given slug. * * Store its desired (i.e. current) slug so it can try to reclaim it * if the post is untrashed. * * For internal use. * * @since 4.5.0 * @access private * * @param string $post_name Post slug. * @param int $post_ID Optional. Post ID that should be ignored. Default 0. */ function wp_add_trashed_suffix_to_post_name_for_trashed_posts( $post_name, $post_ID = 0 ) { $trashed_posts_with_desired_slug = get_posts( array( 'name' => $post_name, 'post_status' => 'trash', 'post_type' => 'any', 'nopaging' => true, 'post__not_in' => array( $post_ID ), ) ); if ( ! empty( $trashed_posts_with_desired_slug ) ) { foreach ( $trashed_posts_with_desired_slug as $_post ) { wp_add_trashed_suffix_to_post_name_for_post( $_post ); } } } /** * Adds a trashed suffix for a given post. * * Store its desired (i.e. current) slug so it can try to reclaim it * if the post is untrashed. * * For internal use. * * @since 4.5.0 * @access private * * @param WP_Post $post The post. * @return string New slug for the post. */ function wp_add_trashed_suffix_to_post_name_for_post( $post ) { global $wpdb; $post = get_post( $post ); if ( '__trashed' === substr( $post->post_name, -9 ) ) { return $post->post_name; } add_post_meta( $post->ID, '_wp_desired_post_slug', $post->post_name ); $post_name = _truncate_post_slug( $post->post_name, 191 ) . '__trashed'; $wpdb->update( $wpdb->posts, array( 'post_name' => $post_name ), array( 'ID' => $post->ID ) ); clean_post_cache( $post->ID ); return $post_name; } /** * Sets the last changed time for the 'posts' cache group. * * @since 5.0.0 */ function wp_cache_set_posts_last_changed() { wp_cache_set( 'last_changed', microtime(), 'posts' ); } /** * Get all available post MIME types for a given post type. * * @since 2.5.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $type * @return mixed */ function get_available_post_mime_types( $type = 'attachment' ) { global $wpdb; $types = $wpdb->get_col( $wpdb->prepare( "SELECT DISTINCT post_mime_type FROM $wpdb->posts WHERE post_type = %s", $type ) ); return $types; } /** * Retrieves the path to an uploaded image file. * * Similar to `get_attached_file()` however some images may have been processed after uploading * to make them suitable for web use. In this case the attached "full" size file is usually replaced * with a scaled down version of the original image. This function always returns the path * to the originally uploaded image file. * * @since 5.3.0 * @since 5.4.0 Added the `$unfiltered` parameter. * * @param int $attachment_id Attachment ID. * @param bool $unfiltered Optional. Passed through to `get_attached_file()`. Default false. * @return string|false Path to the original image file or false if the attachment is not an image. */ function wp_get_original_image_path( $attachment_id, $unfiltered = false ) { if ( ! wp_attachment_is_image( $attachment_id ) ) { return false; } $image_meta = wp_get_attachment_metadata( $attachment_id ); $image_file = get_attached_file( $attachment_id, $unfiltered ); if ( empty( $image_meta['original_image'] ) ) { $original_image = $image_file; } else { $original_image = path_join( dirname( $image_file ), $image_meta['original_image'] ); } /** * Filters the path to the original image. * * @since 5.3.0 * * @param string $original_image Path to original image file. * @param int $attachment_id Attachment ID. */ return apply_filters( 'wp_get_original_image_path', $original_image, $attachment_id ); } /** * Retrieve the URL to an original attachment image. * * Similar to `wp_get_attachment_url()` however some images may have been * processed after uploading. In this case this function returns the URL * to the originally uploaded image file. * * @since 5.3.0 * * @param int $attachment_id Attachment post ID. * @return string|false Attachment image URL, false on error or if the attachment is not an image. */ function wp_get_original_image_url( $attachment_id ) { if ( ! wp_attachment_is_image( $attachment_id ) ) { return false; } $image_url = wp_get_attachment_url( $attachment_id ); if ( ! $image_url ) { return false; } $image_meta = wp_get_attachment_metadata( $attachment_id ); if ( empty( $image_meta['original_image'] ) ) { $original_image_url = $image_url; } else { $original_image_url = path_join( dirname( $image_url ), $image_meta['original_image'] ); } /** * Filters the URL to the original attachment image. * * @since 5.3.0 * * @param string $original_image_url URL to original image. * @param int $attachment_id Attachment ID. */ return apply_filters( 'wp_get_original_image_url', $original_image_url, $attachment_id ); } /** * Filter callback which sets the status of an untrashed post to its previous status. * * This can be used as a callback on the `wp_untrash_post_status` filter. * * @since 5.6.0 * * @param string $new_status The new status of the post being restored. * @param int $post_id The ID of the post being restored. * @param string $previous_status The status of the post at the point where it was trashed. * @return string The new status of the post. */ function wp_untrash_post_set_previous_status( $new_status, $post_id, $previous_status ) { return $previous_status; } ss, false if the meta key was not previously registered. */ function unregister_term_meta( $taxonomy, $meta_key ) { return unregister_meta_key( 'term', $meta_key, $taxonomy ); } /** * Determines whether a taxonomy term exists. * * Formerly is_term(), introduced in 2.3.0. * * For more information on this and similar theme functions, check out * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ * Conditional Tags} article in the Theme Developer Handbook. * * @since 3.0.0 * @since 6.0.0 Converted to use `get_terms()`. * * @global bool $_wp_suspend_cache_invalidation * * @param int|string $term The term to check. Accepts term ID, slug, or name. * @param string $taxonomy Optional. The taxonomy name to use. * @param int $parent Optional. ID of parent term under which to confine the exists search. * @return mixed Returns null if the term does not exist. * Returns the term ID if no taxonomy is specified and the term ID exists. * Returns an array of the term ID and the term taxonomy ID if the taxonomy is specified and the pairing exists. * Returns 0 if term ID 0 is passed to the function. */ function term_exists( $term, $taxonomy = '', $parent = null ) { global $_wp_suspend_cache_invalidation; if ( null === $term ) { return null; } $defaults = array( 'get' => 'all', 'fields' => 'ids', 'number' => 1, 'update_term_meta_cache' => false, 'order' => 'ASC', 'orderby' => 'term_id', 'suppress_filter' => true, ); // Ensure that while importing, queries are not cached. if ( ! empty( $_wp_suspend_cache_invalidation ) ) { // @todo Disable caching once #52710 is merged. $defaults['cache_domain'] = microtime(); } if ( ! empty( $taxonomy ) ) { $defaults['taxonomy'] = $taxonomy; $defaults['fields'] = 'all'; } /** * Filters default query arguments for checking if a term exists. * * @since 6.0.0 * * @param array $defaults An array of arguments passed to get_terms(). * @param int|string $term The term to check. Accepts term ID, slug, or name. * @param string $taxonomy The taxonomy name to use. An empty string indicates * the search is against all taxonomies. * @param int|null $parent ID of parent term under which to confine the exists search. * Null indicates the search is unconfined. */ $defaults = apply_filters( 'term_exists_default_query_args', $defaults, $term, $taxonomy, $parent ); if ( is_int( $term ) ) { if ( 0 === $term ) { return 0; } $args = wp_parse_args( array( 'include' => array( $term ) ), $defaults ); $terms = get_terms( $args ); } else { $term = trim( wp_unslash( $term ) ); if ( '' === $term ) { return null; } if ( ! empty( $taxonomy ) && is_numeric( $parent ) ) { $defaults['parent'] = (int) $parent; } $args = wp_parse_args( array( 'slug' => sanitize_title( $term ) ), $defaults ); $terms = get_terms( $args ); if ( empty( $terms ) || is_wp_error( $terms ) ) { $args = wp_parse_args( array( 'name' => $term ), $defaults ); $terms = get_terms( $args ); } } if ( empty( $terms ) || is_wp_error( $terms ) ) { return null; } $_term = array_shift( $terms ); if ( ! empty( $taxonomy ) ) { return array( 'term_id' => (string) $_term->term_id, 'term_taxonomy_id' => (string) $_term->term_taxonomy_id, ); } return (string) $_term; } /** * Checks if a term is an ancestor of another term. * * You can use either an ID or the term object for both parameters. * * @since 3.4.0 * * @param int|object $term1 ID or object to check if this is the parent term. * @param int|object $term2 The child term. * @param string $taxonomy Taxonomy name that $term1 and `$term2` belong to. * @return bool Whether `$term2` is a child of `$term1`. */ function term_is_ancestor_of( $term1, $term2, $taxonomy ) { if ( ! isset( $term1->term_id ) ) { $term1 = get_term( $term1, $taxonomy ); } if ( ! isset( $term2->parent ) ) { $term2 = get_term( $term2, $taxonomy ); } if ( empty( $term1->term_id ) || empty( $term2->parent ) ) { return false; } if ( $term2->parent === $term1->term_id ) { return true; } return term_is_ancestor_of( $term1, get_term( $term2->parent, $taxonomy ), $taxonomy ); } /** * Sanitizes all term fields. * * Relies on sanitize_term_field() to sanitize the term. The difference is that * this function will sanitize **all** fields. The context is based * on sanitize_term_field(). * * The `$term` is expected to be either an array or an object. * * @since 2.3.0 * * @param array|object $term The term to check. * @param string $taxonomy The taxonomy name to use. * @param string $context Optional. Context in which to sanitize the term. * Accepts 'raw', 'edit', 'db', 'display', 'rss', * 'attribute', or 'js'. Default 'display'. * @return array|object Term with all fields sanitized. */ function sanitize_term( $term, $taxonomy, $context = 'display' ) { $fields = array( 'term_id', 'name', 'description', 'slug', 'count', 'parent', 'term_group', 'term_taxonomy_id', 'object_id' ); $do_object = is_object( $term ); $term_id = $do_object ? $term->term_id : ( isset( $term['term_id'] ) ? $term['term_id'] : 0 ); foreach ( (array) $fields as $field ) { if ( $do_object ) { if ( isset( $term->$field ) ) { $term->$field = sanitize_term_field( $field, $term->$field, $term_id, $taxonomy, $context ); } } else { if ( isset( $term[ $field ] ) ) { $term[ $field ] = sanitize_term_field( $field, $term[ $field ], $term_id, $taxonomy, $context ); } } } if ( $do_object ) { $term->filter = $context; } else { $term['filter'] = $context; } return $term; } /** * Sanitizes the field value in the term based on the context. * * Passing a term field value through the function should be assumed to have * cleansed the value for whatever context the term field is going to be used. * * If no context or an unsupported context is given, then default filters will * be applied. * * There are enough filters for each context to support a custom filtering * without creating your own filter function. Simply create a function that * hooks into the filter you need. * * @since 2.3.0 * * @param string $field Term field to sanitize. * @param string $value Search for this term value. * @param int $term_id Term ID. * @param string $taxonomy Taxonomy name. * @param string $context Context in which to sanitize the term field. * Accepts 'raw', 'edit', 'db', 'display', 'rss', * 'attribute', or 'js'. Default 'display'. * @return mixed Sanitized field. */ function sanitize_term_field( $field, $value, $term_id, $taxonomy, $context ) { $int_fields = array( 'parent', 'term_id', 'count', 'term_group', 'term_taxonomy_id', 'object_id' ); if ( in_array( $field, $int_fields, true ) ) { $value = (int) $value; if ( $value < 0 ) { $value = 0; } } $context = strtolower( $context ); if ( 'raw' === $context ) { return $value; } if ( 'edit' === $context ) { /** * Filters a term field to edit before it is sanitized. * * The dynamic portion of the hook name, `$field`, refers to the term field. * * @since 2.3.0 * * @param mixed $value Value of the term field. * @param int $term_id Term ID. * @param string $taxonomy Taxonomy slug. */ $value = apply_filters( "edit_term_{$field}", $value, $term_id, $taxonomy ); /** * Filters the taxonomy field to edit before it is sanitized. * * The dynamic portions of the filter name, `$taxonomy` and `$field`, refer * to the taxonomy slug and taxonomy field, respectively. * * @since 2.3.0 * * @param mixed $value Value of the taxonomy field to edit. * @param int $term_id Term ID. */ $value = apply_filters( "edit_{$taxonomy}_{$field}", $value, $term_id ); if ( 'description' === $field ) { $value = esc_html( $value ); // textarea_escaped } else { $value = esc_attr( $value ); } } elseif ( 'db' === $context ) { /** * Filters a term field value before it is sanitized. * * The dynamic portion of the hook name, `$field`, refers to the term field. * * @since 2.3.0 * * @param mixed $value Value of the term field. * @param string $taxonomy Taxonomy slug. */ $value = apply_filters( "pre_term_{$field}", $value, $taxonomy ); /** * Filters a taxonomy field before it is sanitized. * * The dynamic portions of the filter name, `$taxonomy` and `$field`, refer * to the taxonomy slug and field name, respectively. * * @since 2.3.0 * * @param mixed $value Value of the taxonomy field. */ $value = apply_filters( "pre_{$taxonomy}_{$field}", $value ); // Back compat filters. if ( 'slug' === $field ) { /** * Filters the category nicename before it is sanitized. * * Use the {@see 'pre_$taxonomy_$field'} hook instead. * * @since 2.0.3 * * @param string $value The category nicename. */ $value = apply_filters( 'pre_category_nicename', $value ); } } elseif ( 'rss' === $context ) { /** * Filters the term field for use in RSS. * * The dynamic portion of the hook name, `$field`, refers to the term field. * * @since 2.3.0 * * @param mixed $value Value of the term field. * @param string $taxonomy Taxonomy slug. */ $value = apply_filters( "term_{$field}_rss", $value, $taxonomy ); /** * Filters the taxonomy field for use in RSS. * * The dynamic portions of the hook name, `$taxonomy`, and `$field`, refer * to the taxonomy slug and field name, respectively. * * @since 2.3.0 * * @param mixed $value Value of the taxonomy field. */ $value = apply_filters( "{$taxonomy}_{$field}_rss", $value ); } else { // Use display filters by default. /** * Filters the term field sanitized for display. * * The dynamic portion of the hook name, `$field`, refers to the term field name. * * @since 2.3.0 * * @param mixed $value Value of the term field. * @param int $term_id Term ID. * @param string $taxonomy Taxonomy slug. * @param string $context Context to retrieve the term field value. */ $value = apply_filters( "term_{$field}", $value, $term_id, $taxonomy, $context ); /** * Filters the taxonomy field sanitized for display. * * The dynamic portions of the filter name, `$taxonomy`, and `$field`, refer * to the taxonomy slug and taxonomy field, respectively. * * @since 2.3.0 * * @param mixed $value Value of the taxonomy field. * @param int $term_id Term ID. * @param string $context Context to retrieve the taxonomy field value. */ $value = apply_filters( "{$taxonomy}_{$field}", $value, $term_id, $context ); } if ( 'attribute' === $context ) { $value = esc_attr( $value ); } elseif ( 'js' === $context ) { $value = esc_js( $value ); } // Restore the type for integer fields after esc_attr(). if ( in_array( $field, $int_fields, true ) ) { $value = (int) $value; } return $value; } /** * Counts how many terms are in taxonomy. * * Default $args is 'hide_empty' which can be 'hide_empty=true' or array('hide_empty' => true). * * @since 2.3.0 * @since 5.6.0 Changed the function signature so that the `$args` array can be provided as the first parameter. * * @internal The `$deprecated` parameter is parsed for backward compatibility only. * * @param array|string $args Optional. Array of arguments that get passed to get_terms(). * Default empty array. * @param array|string $deprecated Optional. Argument array, when using the legacy function parameter format. * If present, this parameter will be interpreted as `$args`, and the first * function parameter will be parsed as a taxonomy or array of taxonomies. * Default empty. * @return string|WP_Error Numeric string containing the number of terms in that * taxonomy or WP_Error if the taxonomy does not exist. */ function wp_count_terms( $args = array(), $deprecated = '' ) { $use_legacy_args = false; // Check whether function is used with legacy signature: `$taxonomy` and `$args`. if ( $args && ( is_string( $args ) && taxonomy_exists( $args ) || is_array( $args ) && wp_is_numeric_array( $args ) ) ) { $use_legacy_args = true; } $defaults = array( 'hide_empty' => false ); if ( $use_legacy_args ) { $defaults['taxonomy'] = $args; $args = $deprecated; } $args = wp_parse_args( $args, $defaults ); // Backward compatibility. if ( isset( $args['ignore_empty'] ) ) { $args['hide_empty'] = $args['ignore_empty']; unset( $args['ignore_empty'] ); } $args['fields'] = 'count'; return get_terms( $args ); } /** * Unlinks the object from the taxonomy or taxonomies. * * Will remove all relationships between the object and any terms in * a particular taxonomy or taxonomies. Does not remove the term or * taxonomy itself. * * @since 2.3.0 * * @param int $object_id The term object ID that refers to the term. * @param string|array $taxonomies List of taxonomy names or single taxonomy name. */ function wp_delete_object_term_relationships( $object_id, $taxonomies ) { $object_id = (int) $object_id; if ( ! is_array( $taxonomies ) ) { $taxonomies = array( $taxonomies ); } foreach ( (array) $taxonomies as $taxonomy ) { $term_ids = wp_get_object_terms( $object_id, $taxonomy, array( 'fields' => 'ids' ) ); $term_ids = array_map( 'intval', $term_ids ); wp_remove_object_terms( $object_id, $term_ids, $taxonomy ); } } /** * Removes a term from the database. * * If the term is a parent of other terms, then the children will be updated to * that term's parent. * * Metadata associated with the term will be deleted. * * @since 2.3.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $term Term ID. * @param string $taxonomy Taxonomy name. * @param array|string $args { * Optional. Array of arguments to override the default term ID. Default empty array. * * @type int $default The term ID to make the default term. This will only override * the terms found if there is only one term found. Any other and * the found terms are used. * @type bool $force_default Optional. Whether to force the supplied term as default to be * assigned even if the object was not going to be term-less. * Default false. * } * @return bool|int|WP_Error True on success, false if term does not exist. Zero on attempted * deletion of default Category. WP_Error if the taxonomy does not exist. */ function wp_delete_term( $term, $taxonomy, $args = array() ) { global $wpdb; $term = (int) $term; $ids = term_exists( $term, $taxonomy ); if ( ! $ids ) { return false; } if ( is_wp_error( $ids ) ) { return $ids; } $tt_id = $ids['term_taxonomy_id']; $defaults = array(); if ( 'category' === $taxonomy ) { $defaults['default'] = (int) get_option( 'default_category' ); if ( $defaults['default'] === $term ) { return 0; // Don't delete the default category. } } // Don't delete the default custom taxonomy term. $taxonomy_object = get_taxonomy( $taxonomy ); if ( ! empty( $taxonomy_object->default_term ) ) { $defaults['default'] = (int) get_option( 'default_term_' . $taxonomy ); if ( $defaults['default'] === $term ) { return 0; } } $args = wp_parse_args( $args, $defaults ); if ( isset( $args['default'] ) ) { $default = (int) $args['default']; if ( ! term_exists( $default, $taxonomy ) ) { unset( $default ); } } if ( isset( $args['force_default'] ) ) { $force_default = $args['force_default']; } /** * Fires when deleting a term, before any modifications are made to posts or terms. * * @since 4.1.0 * * @param int $term Term ID. * @param string $taxonomy Taxonomy name. */ do_action( 'pre_delete_term', $term, $taxonomy ); // Update children to point to new parent. if ( is_taxonomy_hierarchical( $taxonomy ) ) { $term_obj = get_term( $term, $taxonomy ); if ( is_wp_error( $term_obj ) ) { return $term_obj; } $parent = $term_obj->parent; $edit_ids = $wpdb->get_results( "SELECT term_id, term_taxonomy_id FROM $wpdb->term_taxonomy WHERE `parent` = " . (int) $term_obj->term_id ); $edit_tt_ids = wp_list_pluck( $edit_ids, 'term_taxonomy_id' ); /** * Fires immediately before a term to delete's children are reassigned a parent. * * @since 2.9.0 * * @param array $edit_tt_ids An array of term taxonomy IDs for the given term. */ do_action( 'edit_term_taxonomies', $edit_tt_ids ); $wpdb->update( $wpdb->term_taxonomy, compact( 'parent' ), array( 'parent' => $term_obj->term_id ) + compact( 'taxonomy' ) ); // Clean the cache for all child terms. $edit_term_ids = wp_list_pluck( $edit_ids, 'term_id' ); clean_term_cache( $edit_term_ids, $taxonomy ); /** * Fires immediately after a term to delete's children are reassigned a parent. * * @since 2.9.0 * * @param array $edit_tt_ids An array of term taxonomy IDs for the given term. */ do_action( 'edited_term_taxonomies', $edit_tt_ids ); } // Get the term before deleting it or its term relationships so we can pass to actions below. $deleted_term = get_term( $term, $taxonomy ); $object_ids = (array) $wpdb->get_col( $wpdb->prepare( "SELECT object_id FROM $wpdb->term_relationships WHERE term_taxonomy_id = %d", $tt_id ) ); foreach ( $object_ids as $object_id ) { if ( ! isset( $default ) ) { wp_remove_object_terms( $object_id, $term, $taxonomy ); continue; } $terms = wp_get_object_terms( $object_id, $taxonomy, array( 'fields' => 'ids', 'orderby' => 'none', ) ); if ( 1 === count( $terms ) && isset( $default ) ) { $terms = array( $default ); } else { $terms = array_diff( $terms, array( $term ) ); if ( isset( $default ) && isset( $force_default ) && $force_default ) { $terms = array_merge( $terms, array( $default ) ); } } $terms = array_map( 'intval', $terms ); wp_set_object_terms( $object_id, $terms, $taxonomy ); } // Clean the relationship caches for all object types using this term. $tax_object = get_taxonomy( $taxonomy ); foreach ( $tax_object->object_type as $object_type ) { clean_object_term_cache( $object_ids, $object_type ); } $term_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->termmeta WHERE term_id = %d ", $term ) ); foreach ( $term_meta_ids as $mid ) { delete_metadata_by_mid( 'term', $mid ); } /** * Fires immediately before a term taxonomy ID is deleted. * * @since 2.9.0 * * @param int $tt_id Term taxonomy ID. */ do_action( 'delete_term_taxonomy', $tt_id ); $wpdb->delete( $wpdb->term_taxonomy, array( 'term_taxonomy_id' => $tt_id ) ); /** * Fires immediately after a term taxonomy ID is deleted. * * @since 2.9.0 * * @param int $tt_id Term taxonomy ID. */ do_action( 'deleted_term_taxonomy', $tt_id ); // Delete the term if no taxonomies use it. if ( ! $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_taxonomy WHERE term_id = %d", $term ) ) ) { $wpdb->delete( $wpdb->terms, array( 'term_id' => $term ) ); } clean_term_cache( $term, $taxonomy ); /** * Fires after a term is deleted from the database and the cache is cleaned. * * The {@see 'delete_$taxonomy'} hook is also available for targeting a specific * taxonomy. * * @since 2.5.0 * @since 4.5.0 Introduced the `$object_ids` argument. * * @param int $term Term ID. * @param int $tt_id Term taxonomy ID. * @param string $taxonomy Taxonomy slug. * @param WP_Term $deleted_term Copy of the already-deleted term. * @param array $object_ids List of term object IDs. */ do_action( 'delete_term', $term, $tt_id, $taxonomy, $deleted_term, $object_ids ); /** * Fires after a term in a specific taxonomy is deleted. * * The dynamic portion of the hook name, `$taxonomy`, refers to the specific * taxonomy the term belonged to. * * Possible hook names include: * * - `delete_category` * - `delete_post_tag` * * @since 2.3.0 * @since 4.5.0 Introduced the `$object_ids` argument. * * @param int $term Term ID. * @param int $tt_id Term taxonomy ID. * @param WP_Term $deleted_term Copy of the already-deleted term. * @param array $object_ids List of term object IDs. */ do_action( "delete_{$taxonomy}", $term, $tt_id, $deleted_term, $object_ids ); return true; } /** * Deletes one existing category. * * @since 2.0.0 * * @param int $cat_ID Category term ID. * @return bool|int|WP_Error Returns true if completes delete action; false if term doesn't exist; * Zero on attempted deletion of default Category; WP_Error object is also a possibility. */ function wp_delete_category( $cat_ID ) { return wp_delete_term( $cat_ID, 'category' ); } /** * Retrieves the terms associated with the given object(s), in the supplied taxonomies. * * @since 2.3.0 * @since 4.2.0 Added support for 'taxonomy', 'parent', and 'term_taxonomy_id' values of `$orderby`. * Introduced `$parent` argument. * @since 4.4.0 Introduced `$meta_query` and `$update_term_meta_cache` arguments. When `$fields` is 'all' or * 'all_with_object_id', an array of `WP_Term` objects will be returned. * @since 4.7.0 Refactored to use WP_Term_Query, and to support any WP_Term_Query arguments. * * @param int|int[] $object_ids The ID(s) of the object(s) to retrieve. * @param string|string[] $taxonomies The taxonomy names to retrieve terms from. * @param array|string $args See WP_Term_Query::__construct() for supported arguments. * @return WP_Term[]|WP_Error Array of terms or empty array if no terms found. * WP_Error if any of the taxonomies don't exist. */ function wp_get_object_terms( $object_ids, $taxonomies, $args = array() ) { if ( empty( $object_ids ) || empty( $taxonomies ) ) { return array(); } if ( ! is_array( $taxonomies ) ) { $taxonomies = array( $taxonomies ); } foreach ( $taxonomies as $taxonomy ) { if ( ! taxonomy_exists( $taxonomy ) ) { return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) ); } } if ( ! is_array( $object_ids ) ) { $object_ids = array( $object_ids ); } $object_ids = array_map( 'intval', $object_ids ); $args = wp_parse_args( $args ); /** * Filters arguments for retrieving object terms. * * @since 4.9.0 * * @param array $args An array of arguments for retrieving terms for the given object(s). * See {@see wp_get_object_terms()} for details. * @param int[] $object_ids Array of object IDs. * @param string[] $taxonomies Array of taxonomy names to retrieve terms from. */ $args = apply_filters( 'wp_get_object_terms_args', $args, $object_ids, $taxonomies ); /* * When one or more queried taxonomies is registered with an 'args' array, * those params override the `$args` passed to this function. */ $terms = array(); if ( count( $taxonomies ) > 1 ) { foreach ( $taxonomies as $index => $taxonomy ) { $t = get_taxonomy( $taxonomy ); if ( isset( $t->args ) && is_array( $t->args ) && array_merge( $args, $t->args ) != $args ) { unset( $taxonomies[ $index ] ); $terms = array_merge( $terms, wp_get_object_terms( $object_ids, $taxonomy, array_merge( $args, $t->args ) ) ); } } } else { $t = get_taxonomy( $taxonomies[0] ); if ( isset( $t->args ) && is_array( $t->args ) ) { $args = array_merge( $args, $t->args ); } } $args['taxonomy'] = $taxonomies; $args['object_ids'] = $object_ids; // Taxonomies registered without an 'args' param are handled here. if ( ! empty( $taxonomies ) ) { $terms_from_remaining_taxonomies = get_terms( $args ); // Array keys should be preserved for values of $fields that use term_id for keys. if ( ! empty( $args['fields'] ) && 0 === strpos( $args['fields'], 'id=>' ) ) { $terms = $terms + $terms_from_remaining_taxonomies; } else { $terms = array_merge( $terms, $terms_from_remaining_taxonomies ); } } /** * Filters the terms for a given object or objects. * * @since 4.2.0 * * @param WP_Term[] $terms Array of terms for the given object or objects. * @param int[] $object_ids Array of object IDs for which terms were retrieved. * @param string[] $taxonomies Array of taxonomy names from which terms were retrieved. * @param array $args Array of arguments for retrieving terms for the given * object(s). See wp_get_object_terms() for details. */ $terms = apply_filters( 'get_object_terms', $terms, $object_ids, $taxonomies, $args ); $object_ids = implode( ',', $object_ids ); $taxonomies = "'" . implode( "', '", array_map( 'esc_sql', $taxonomies ) ) . "'"; /** * Filters the terms for a given object or objects. * * The `$taxonomies` parameter passed to this filter is formatted as a SQL fragment. The * {@see 'get_object_terms'} filter is recommended as an alternative. * * @since 2.8.0 * * @param WP_Term[] $terms Array of terms for the given object or objects. * @param string $object_ids Comma separated list of object IDs for which terms were retrieved. * @param string $taxonomies SQL fragment of taxonomy names from which terms were retrieved. * @param array $args Array of arguments for retrieving terms for the given * object(s). See wp_get_object_terms() for details. */ return apply_filters( 'wp_get_object_terms', $terms, $object_ids, $taxonomies, $args ); } /** * Adds a new term to the database. * * A non-existent term is inserted in the following sequence: * 1. The term is added to the term table, then related to the taxonomy. * 2. If everything is correct, several actions are fired. * 3. The 'term_id_filter' is evaluated. * 4. The term cache is cleaned. * 5. Several more actions are fired. * 6. An array is returned containing the `term_id` and `term_taxonomy_id`. * * If the 'slug' argument is not empty, then it is checked to see if the term * is invalid. If it is not a valid, existing term, it is added and the term_id * is given. * * If the taxonomy is hierarchical, and the 'parent' argument is not empty, * the term is inserted and the term_id will be given. * * Error handling: * If `$taxonomy` does not exist or `$term` is empty, * a WP_Error object will be returned. * * If the term already exists on the same hierarchical level, * or the term slug and name are not unique, a WP_Error object will be returned. * * @global wpdb $wpdb WordPress database abstraction object. * * @since 2.3.0 * * @param string $term The term name to add. * @param string $taxonomy The taxonomy to which to add the term. * @param array|string $args { * Optional. Array or query string of arguments for inserting a term. * * @type string $alias_of Slug of the term to make this term an alias of. * Default empty string. Accepts a term slug. * @type string $description The term description. Default empty string. * @type int $parent The id of the parent term. Default 0. * @type string $slug The term slug to use. Default empty string. * } * @return array|WP_Error { * An array of the new term data, WP_Error otherwise. * * @type int $term_id The new term ID. * @type int|string $term_taxonomy_id The new term taxonomy ID. Can be a numeric string. * } */ function wp_insert_term( $term, $taxonomy, $args = array() ) { global $wpdb; if ( ! taxonomy_exists( $taxonomy ) ) { return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) ); } /** * Filters a term before it is sanitized and inserted into the database. * * @since 3.0.0 * * @param string|WP_Error $term The term name to add, or a WP_Error object if there's an error. * @param string $taxonomy Taxonomy slug. */ $term = apply_filters( 'pre_insert_term', $term, $taxonomy ); if ( is_wp_error( $term ) ) { return $term; } if ( is_int( $term ) && 0 === $term ) { return new WP_Error( 'invalid_term_id', __( 'Invalid term ID.' ) ); } if ( '' === trim( $term ) ) { return new WP_Error( 'empty_term_name', __( 'A name is required for this term.' ) ); } $defaults = array( 'alias_of' => '', 'description' => '', 'parent' => 0, 'slug' => '', ); $args = wp_parse_args( $args, $defaults ); if ( (int) $args['parent'] > 0 && ! term_exists( (int) $args['parent'] ) ) { return new WP_Error( 'missing_parent', __( 'Parent term does not exist.' ) ); } $args['name'] = $term; $args['taxonomy'] = $taxonomy; // Coerce null description to strings, to avoid database errors. $args['description'] = (string) $args['description']; $args = sanitize_term( $args, $taxonomy, 'db' ); // expected_slashed ($name) $name = wp_unslash( $args['name'] ); $description = wp_unslash( $args['description'] ); $parent = (int) $args['parent']; $slug_provided = ! empty( $args['slug'] ); if ( ! $slug_provided ) { $slug = sanitize_title( $name ); } else { $slug = $args['slug']; } $term_group = 0; if ( $args['alias_of'] ) { $alias = get_term_by( 'slug', $args['alias_of'], $taxonomy ); if ( ! empty( $alias->term_group ) ) { // The alias we want is already in a group, so let's use that one. $term_group = $alias->term_group; } elseif ( ! empty( $alias->term_id ) ) { /* * The alias is not in a group, so we create a new one * and add the alias to it. */ $term_group = $wpdb->get_var( "SELECT MAX(term_group) FROM $wpdb->terms" ) + 1; wp_update_term( $alias->term_id, $taxonomy, array( 'term_group' => $term_group, ) ); } } /* * Prevent the creation of terms with duplicate names at the same level of a taxonomy hierarchy, * unless a unique slug has been explicitly provided. */ $name_matches = get_terms( array( 'taxonomy' => $taxonomy, 'name' => $name, 'hide_empty' => false, 'parent' => $args['parent'], 'update_term_meta_cache' => false, ) ); /* * The `name` match in `get_terms()` doesn't differentiate accented characters, * so we do a stricter comparison here. */ $name_match = null; if ( $name_matches ) { foreach ( $name_matches as $_match ) { if ( strtolower( $name ) === strtolower( $_match->name ) ) { $name_match = $_match; break; } } } if ( $name_match ) { $slug_match = get_term_by( 'slug', $slug, $taxonomy ); if ( ! $slug_provided || $name_match->slug === $slug || $slug_match ) { if ( is_taxonomy_hierarchical( $taxonomy ) ) { $siblings = get_terms( array( 'taxonomy' => $taxonomy, 'get' => 'all', 'parent' => $parent, 'update_term_meta_cache' => false, ) ); $existing_term = null; $sibling_names = wp_list_pluck( $siblings, 'name' ); $sibling_slugs = wp_list_pluck( $siblings, 'slug' ); if ( ( ! $slug_provided || $name_match->slug === $slug ) && in_array( $name, $sibling_names, true ) ) { $existing_term = $name_match; } elseif ( $slug_match && in_array( $slug, $sibling_slugs, true ) ) { $existing_term = $slug_match; } if ( $existing_term ) { return new WP_Error( 'term_exists', __( 'A term with the name provided already exists with this parent.' ), $existing_term->term_id ); } } else { return new WP_Error( 'term_exists', __( 'A term with the name provided already exists in this taxonomy.' ), $name_match->term_id ); } } } $slug = wp_unique_term_slug( $slug, (object) $args ); $data = compact( 'name', 'slug', 'term_group' ); /** * Filters term data before it is inserted into the database. * * @since 4.7.0 * * @param array $data Term data to be inserted. * @param string $taxonomy Taxonomy slug. * @param array $args Arguments passed to wp_insert_term(). */ $data = apply_filters( 'wp_insert_term_data', $data, $taxonomy, $args ); if ( false === $wpdb->insert( $wpdb->terms, $data ) ) { return new WP_Error( 'db_insert_error', __( 'Could not insert term into the database.' ), $wpdb->last_error ); } $term_id = (int) $wpdb->insert_id; // Seems unreachable. However, is used in the case that a term name is provided, which sanitizes to an empty string. if ( empty( $slug ) ) { $slug = sanitize_title( $slug, $term_id ); /** This action is documented in wp-includes/taxonomy.php */ do_action( 'edit_terms', $term_id, $taxonomy ); $wpdb->update( $wpdb->terms, compact( 'slug' ), compact( 'term_id' ) ); /** This action is documented in wp-includes/taxonomy.php */ do_action( 'edited_terms', $term_id, $taxonomy ); } $tt_id = $wpdb->get_var( $wpdb->prepare( "SELECT tt.term_taxonomy_id FROM $wpdb->term_taxonomy AS tt INNER JOIN $wpdb->terms AS t ON tt.term_id = t.term_id WHERE tt.taxonomy = %s AND t.term_id = %d", $taxonomy, $term_id ) ); if ( ! empty( $tt_id ) ) { return array( 'term_id' => $term_id, 'term_taxonomy_id' => $tt_id, ); } if ( false === $wpdb->insert( $wpdb->term_taxonomy, compact( 'term_id', 'taxonomy', 'description', 'parent' ) + array( 'count' => 0 ) ) ) { return new WP_Error( 'db_insert_error', __( 'Could not insert term taxonomy into the database.' ), $wpdb->last_error ); } $tt_id = (int) $wpdb->insert_id; /* * Sanity check: if we just created a term with the same parent + taxonomy + slug but a higher term_id than * an existing term, then we have unwittingly created a duplicate term. Delete the dupe, and use the term_id * and term_taxonomy_id of the older term instead. Then return out of the function so that the "create" hooks * are not fired. */ $duplicate_term = $wpdb->get_row( $wpdb->prepare( "SELECT t.term_id, t.slug, tt.term_taxonomy_id, tt.taxonomy FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy AS tt ON ( tt.term_id = t.term_id ) WHERE t.slug = %s AND tt.parent = %d AND tt.taxonomy = %s AND t.term_id < %d AND tt.term_taxonomy_id != %d", $slug, $parent, $taxonomy, $term_id, $tt_id ) ); /** * Filters the duplicate term check that takes place during term creation. * * Term parent + taxonomy + slug combinations are meant to be unique, and wp_insert_term() * performs a last-minute confirmation of this uniqueness before allowing a new term * to be created. Plugins with different uniqueness requirements may use this filter * to bypass or modify the duplicate-term check. * * @since 5.1.0 * * @param object $duplicate_term Duplicate term row from terms table, if found. * @param string $term Term being inserted. * @param string $taxonomy Taxonomy name. * @param array $args Term arguments passed to the function. * @param int $tt_id term_taxonomy_id for the newly created term. */ $duplicate_term = apply_filters( 'wp_insert_term_duplicate_term_check', $duplicate_term, $term, $taxonomy, $args, $tt_id ); if ( $duplicate_term ) { $wpdb->delete( $wpdb->terms, array( 'term_id' => $term_id ) ); $wpdb->delete( $wpdb->term_taxonomy, array( 'term_taxonomy_id' => $tt_id ) ); $term_id = (int) $duplicate_term->term_id; $tt_id = (int) $duplicate_term->term_taxonomy_id; clean_term_cache( $term_id, $taxonomy ); return array( 'term_id' => $term_id, 'term_taxonomy_id' => $tt_id, ); } /** * Fires immediately after a new term is created, before the term cache is cleaned. * * The {@see 'create_$taxonomy'} hook is also available for targeting a specific * taxonomy. * * @since 2.3.0 * * @param int $term_id Term ID. * @param int $tt_id Term taxonomy ID. * @param string $taxonomy Taxonomy slug. */ do_action( 'create_term', $term_id, $tt_id, $taxonomy ); /** * Fires after a new term is created for a specific taxonomy. * * The dynamic portion of the hook name, `$taxonomy`, refers * to the slug of the taxonomy the term was created for. * * Possible hook names include: * * - `create_category` * - `create_post_tag` * * @since 2.3.0 * * @param int $term_id Term ID. * @param int $tt_id Term taxonomy ID. */ do_action( "create_{$taxonomy}", $term_id, $tt_id ); /** * Filters the term ID after a new term is created. * * @since 2.3.0 * * @param int $term_id Term ID. * @param int $tt_id Term taxonomy ID. */ $term_id = apply_filters( 'term_id_filter', $term_id, $tt_id ); clean_term_cache( $term_id, $taxonomy ); /** * Fires after a new term is created, and after the term cache has been cleaned. * * The {@see 'created_$taxonomy'} hook is also available for targeting a specific * taxonomy. * * @since 2.3.0 * * @param int $term_id Term ID. * @param int $tt_id Term taxonomy ID. * @param string $taxonomy Taxonomy slug. */ do_action( 'created_term', $term_id, $tt_id, $taxonomy ); /** * Fires after a new term in a specific taxonomy is created, and after the term * cache has been cleaned. * * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug. * * Possible hook names include: * * - `created_category` * - `created_post_tag` * * @since 2.3.0 * * @param int $term_id Term ID. * @param int $tt_id Term taxonomy ID. */ do_action( "created_{$taxonomy}", $term_id, $tt_id ); /** * Fires after a term has been saved, and the term cache has been cleared. * * The {@see 'saved_$taxonomy'} hook is also available for targeting a specific * taxonomy. * * @since 5.5.0 * * @param int $term_id Term ID. * @param int $tt_id Term taxonomy ID. * @param string $taxonomy Taxonomy slug. * @param bool $update Whether this is an existing term being updated. */ do_action( 'saved_term', $term_id, $tt_id, $taxonomy, false ); /** * Fires after a term in a specific taxonomy has been saved, and the term * cache has been cleared. * * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug. * * Possible hook names include: * * - `saved_category` * - `saved_post_tag` * * @since 5.5.0 * * @param int $term_id Term ID. * @param int $tt_id Term taxonomy ID. * @param bool $update Whether this is an existing term being updated. */ do_action( "saved_{$taxonomy}", $term_id, $tt_id, false ); return array( 'term_id' => $term_id, 'term_taxonomy_id' => $tt_id, ); } /** * Creates term and taxonomy relationships. * * Relates an object (post, link, etc.) to a term and taxonomy type. Creates the * term and taxonomy relationship if it doesn't already exist. Creates a term if * it doesn't exist (using the slug). * * A relationship means that the term is grouped in or belongs to the taxonomy. * A term has no meaning until it is given context by defining which taxonomy it * exists under. * * @since 2.3.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $object_id The object to relate to. * @param string|int|array $terms A single term slug, single term ID, or array of either term slugs or IDs. * Will replace all existing related terms in this taxonomy. Passing an * empty value will remove all related terms. * @param string $taxonomy The context in which to relate the term to the object. * @param bool $append Optional. If false will delete difference of terms. Default false. * @return array|WP_Error Term taxonomy IDs of the affected terms or WP_Error on failure. */ function wp_set_object_terms( $object_id, $terms, $taxonomy, $append = false ) { global $wpdb; $object_id = (int) $object_id; if ( ! taxonomy_exists( $taxonomy ) ) { return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) ); } if ( ! is_array( $terms ) ) { $terms = array( $terms ); } if ( ! $append ) { $old_tt_ids = wp_get_object_terms( $object_id, $taxonomy, array( 'fields' => 'tt_ids', 'orderby' => 'none', 'update_term_meta_cache' => false, ) ); } else { $old_tt_ids = array(); } $tt_ids = array(); $term_ids = array(); $new_tt_ids = array(); foreach ( (array) $terms as $term ) { if ( '' === trim( $term ) ) { continue; } $term_info = term_exists( $term, $taxonomy ); if ( ! $term_info ) { // Skip if a non-existent term ID is passed. if ( is_int( $term ) ) { continue; } $term_info = wp_insert_term( $term, $taxonomy ); } if ( is_wp_error( $term_info ) ) { return $term_info; } $term_ids[] = $term_info['term_id']; $tt_id = $term_info['term_taxonomy_id']; $tt_ids[] = $tt_id; if ( $wpdb->get_var( $wpdb->prepare( "SELECT term_taxonomy_id FROM $wpdb->term_relationships WHERE object_id = %d AND term_taxonomy_id = %d", $object_id, $tt_id ) ) ) { continue; } /** * Fires immediately before an object-term relationship is added. * * @since 2.9.0 * @since 4.7.0 Added the `$taxonomy` parameter. * * @param int $object_id Object ID. * @param int $tt_id Term taxonomy ID. * @param string $taxonomy Taxonomy slug. */ do_action( 'add_term_relationship', $object_id, $tt_id, $taxonomy ); $wpdb->insert( $wpdb->term_relationships, array( 'object_id' => $object_id, 'term_taxonomy_id' => $tt_id, ) ); /** * Fires immediately after an object-term relationship is added. * * @since 2.9.0 * @since 4.7.0 Added the `$taxonomy` parameter. * * @param int $object_id Object ID. * @param int $tt_id Term taxonomy ID. * @param string $taxonomy Taxonomy slug. */ do_action( 'added_term_relationship', $object_id, $tt_id, $taxonomy ); $new_tt_ids[] = $tt_id; } if ( $new_tt_ids ) { wp_update_term_count( $new_tt_ids, $taxonomy ); } if ( ! $append ) { $delete_tt_ids = array_diff( $old_tt_ids, $tt_ids ); if ( $delete_tt_ids ) { $in_delete_tt_ids = "'" . implode( "', '", $delete_tt_ids ) . "'"; $delete_term_ids = $wpdb->get_col( $wpdb->prepare( "SELECT tt.term_id FROM $wpdb->term_taxonomy AS tt WHERE tt.taxonomy = %s AND tt.term_taxonomy_id IN ($in_delete_tt_ids)", $taxonomy ) ); $delete_term_ids = array_map( 'intval', $delete_term_ids ); $remove = wp_remove_object_terms( $object_id, $delete_term_ids, $taxonomy ); if ( is_wp_error( $remove ) ) { return $remove; } } } $t = get_taxonomy( $taxonomy ); if ( ! $append && isset( $t->sort ) && $t->sort ) { $values = array(); $term_order = 0; $final_tt_ids = wp_get_object_terms( $object_id, $taxonomy, array( 'fields' => 'tt_ids', 'update_term_meta_cache' => false, ) ); foreach ( $tt_ids as $tt_id ) { if ( in_array( (int) $tt_id, $final_tt_ids, true ) ) { $values[] = $wpdb->prepare( '(%d, %d, %d)', $object_id, $tt_id, ++$term_order ); } } if ( $values ) { if ( false === $wpdb->query( "INSERT INTO $wpdb->term_relationships (object_id, term_taxonomy_id, term_order) VALUES " . implode( ',', $values ) . ' ON DUPLICATE KEY UPDATE term_order = VALUES(term_order)' ) ) { return new WP_Error( 'db_insert_error', __( 'Could not insert term relationship into the database.' ), $wpdb->last_error ); } } } wp_cache_delete( $object_id, $taxonomy . '_relationships' ); wp_cache_delete( 'last_changed', 'terms' ); /** * Fires after an object's terms have been set. * * @since 2.8.0 * * @param int $object_id Object ID. * @param array $terms An array of object term IDs or slugs. * @param array $tt_ids An array of term taxonomy IDs. * @param string $taxonomy Taxonomy slug. * @param bool $append Whether to append new terms to the old terms. * @param array $old_tt_ids Old array of term taxonomy IDs. */ do_action( 'set_object_terms', $object_id, $terms, $tt_ids, $taxonomy, $append, $old_tt_ids ); return $tt_ids; } /** * Adds term(s) associated with a given object. * * @since 3.6.0 * * @param int $object_id The ID of the object to which the terms will be added. * @param string|int|array $terms The slug(s) or ID(s) of the term(s) to add. * @param array|string $taxonomy Taxonomy name. * @return array|WP_Error Term taxonomy IDs of the affected terms. */ function wp_add_object_terms( $object_id, $terms, $taxonomy ) { return wp_set_object_terms( $object_id, $terms, $taxonomy, true ); } /** * Removes term(s) associated with a given object. * * @since 3.6.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $object_id The ID of the object from which the terms will be removed. * @param string|int|array $terms The slug(s) or ID(s) of the term(s) to remove. * @param string $taxonomy Taxonomy name. * @return bool|WP_Error True on success, false or WP_Error on failure. */ function wp_remove_object_terms( $object_id, $terms, $taxonomy ) { global $wpdb; $object_id = (int) $object_id; if ( ! taxonomy_exists( $taxonomy ) ) { return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) ); } if ( ! is_array( $terms ) ) { $terms = array( $terms ); } $tt_ids = array(); foreach ( (array) $terms as $term ) { if ( '' === trim( $term ) ) { continue; } $term_info = term_exists( $term, $taxonomy ); if ( ! $term_info ) { // Skip if a non-existent term ID is passed. if ( is_int( $term ) ) { continue; } } if ( is_wp_error( $term_info ) ) { return $term_info; } $tt_ids[] = $term_info['term_taxonomy_id']; } if ( $tt_ids ) { $in_tt_ids = "'" . implode( "', '", $tt_ids ) . "'"; /** * Fires immediately before an object-term relationship is deleted. * * @since 2.9.0 * @since 4.7.0 Added the `$taxonomy` parameter. * * @param int $object_id Object ID. * @param array $tt_ids An array of term taxonomy IDs. * @param string $taxonomy Taxonomy slug. */ do_action( 'delete_term_relationships', $object_id, $tt_ids, $taxonomy ); $deleted = $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->term_relationships WHERE object_id = %d AND term_taxonomy_id IN ($in_tt_ids)", $object_id ) ); wp_cache_delete( $object_id, $taxonomy . '_relationships' ); wp_cache_delete( 'last_changed', 'terms' ); /** * Fires immediately after an object-term relationship is deleted. * * @since 2.9.0 * @since 4.7.0 Added the `$taxonomy` parameter. * * @param int $object_id Object ID. * @param array $tt_ids An array of term taxonomy IDs. * @param string $taxonomy Taxonomy slug. */ do_action( 'deleted_term_relationships', $object_id, $tt_ids, $taxonomy ); wp_update_term_count( $tt_ids, $taxonomy ); return (bool) $deleted; } return false; } /** * Makes term slug unique, if it isn't already. * * The `$slug` has to be unique global to every taxonomy, meaning that one * taxonomy term can't have a matching slug with another taxonomy term. Each * slug has to be globally unique for every taxonomy. * * The way this works is that if the taxonomy that the term belongs to is * hierarchical and has a parent, it will append that parent to the $slug. * * If that still doesn't return a unique slug, then it tries to append a number * until it finds a number that is truly unique. * * The only purpose for `$term` is for appending a parent, if one exists. * * @since 2.3.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $slug The string that will be tried for a unique slug. * @param object $term The term object that the `$slug` will belong to. * @return string Will return a true unique slug. */ function wp_unique_term_slug( $slug, $term ) { global $wpdb; $needs_suffix = true; $original_slug = $slug; // As of 4.1, duplicate slugs are allowed as long as they're in different taxonomies. if ( ! term_exists( $slug ) || get_option( 'db_version' ) >= 30133 && ! get_term_by( 'slug', $slug, $term->taxonomy ) ) { $needs_suffix = false; } /* * If the taxonomy supports hierarchy and the term has a parent, make the slug unique * by incorporating parent slugs. */ $parent_suffix = ''; if ( $needs_suffix && is_taxonomy_hierarchical( $term->taxonomy ) && ! empty( $term->parent ) ) { $the_parent = $term->parent; while ( ! empty( $the_parent ) ) { $parent_term = get_term( $the_parent, $term->taxonomy ); if ( is_wp_error( $parent_term ) || empty( $parent_term ) ) { break; } $parent_suffix .= '-' . $parent_term->slug; if ( ! term_exists( $slug . $parent_suffix ) ) { break; } if ( empty( $parent_term->parent ) ) { break; } $the_parent = $parent_term->parent; } } // If we didn't get a unique slug, try appending a number to make it unique. /** * Filters whether the proposed unique term slug is bad. * * @since 4.3.0 * * @param bool $needs_suffix Whether the slug needs to be made unique with a suffix. * @param string $slug The slug. * @param object $term Term object. */ if ( apply_filters( 'wp_unique_term_slug_is_bad_slug', $needs_suffix, $slug, $term ) ) { if ( $parent_suffix ) { $slug .= $parent_suffix; } if ( ! empty( $term->term_id ) ) { $query = $wpdb->prepare( "SELECT slug FROM $wpdb->terms WHERE slug = %s AND term_id != %d", $slug, $term->term_id ); } else { $query = $wpdb->prepare( "SELECT slug FROM $wpdb->terms WHERE slug = %s", $slug ); } if ( $wpdb->get_var( $query ) ) { // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared $num = 2; do { $alt_slug = $slug . "-$num"; $num++; $slug_check = $wpdb->get_var( $wpdb->prepare( "SELECT slug FROM $wpdb->terms WHERE slug = %s", $alt_slug ) ); } while ( $slug_check ); $slug = $alt_slug; } } /** * Filters the unique term slug. * * @since 4.3.0 * * @param string $slug Unique term slug. * @param object $term Term object. * @param string $original_slug Slug originally passed to the function for testing. */ return apply_filters( 'wp_unique_term_slug', $slug, $term, $original_slug ); } /** * Updates term based on arguments provided. * * The `$args` will indiscriminately override all values with the same field name. * Care must be taken to not override important information need to update or * update will fail (or perhaps create a new term, neither would be acceptable). * * Defaults will set 'alias_of', 'description', 'parent', and 'slug' if not * defined in `$args` already. * * 'alias_of' will create a term group, if it doesn't already exist, and * update it for the `$term`. * * If the 'slug' argument in `$args` is missing, then the 'name' will be used. * If you set 'slug' and it isn't unique, then a WP_Error is returned. * If you don't pass any slug, then a unique one will be created. * * @since 2.3.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $term_id The ID of the term. * @param string $taxonomy The taxonomy of the term. * @param array|string $args { * Optional. Array or string of arguments for updating a term. * * @type string $alias_of Slug of the term to make this term an alias of. * Default empty string. Accepts a term slug. * @type string $description The term description. Default empty string. * @type int $parent The id of the parent term. Default 0. * @type string $slug The term slug to use. Default empty string. * } * @return array|WP_Error An array containing the `term_id` and `term_taxonomy_id`, * WP_Error otherwise. */ function wp_update_term( $term_id, $taxonomy, $args = array() ) { global $wpdb; if ( ! taxonomy_exists( $taxonomy ) ) { return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) ); } $term_id = (int) $term_id; // First, get all of the original args. $term = get_term( $term_id, $taxonomy ); if ( is_wp_error( $term ) ) { return $term; } if ( ! $term ) { return new WP_Error( 'invalid_term', __( 'Empty Term.' ) ); } $term = (array) $term->data; // Escape data pulled from DB. $term = wp_slash( $term ); // Merge old and new args with new args overwriting old ones. $args = array_merge( $term, $args ); $defaults = array( 'alias_of' => '', 'description' => '', 'parent' => 0, 'slug' => '', ); $args = wp_parse_args( $args, $defaults ); $args = sanitize_term( $args, $taxonomy, 'db' ); $parsed_args = $args; // expected_slashed ($name) $name = wp_unslash( $args['name'] ); $description = wp_unslash( $args['description'] ); $parsed_args['name'] = $name; $parsed_args['description'] = $description; if ( '' === trim( $name ) ) { return new WP_Error( 'empty_term_name', __( 'A name is required for this term.' ) ); } if ( (int) $parsed_args['parent'] > 0 && ! term_exists( (int) $parsed_args['parent'] ) ) { return new WP_Error( 'missing_parent', __( 'Parent term does not exist.' ) ); } $empty_slug = false; if ( empty( $args['slug'] ) ) { $empty_slug = true; $slug = sanitize_title( $name ); } else { $slug = $args['slug']; } $parsed_args['slug'] = $slug; $term_group = isset( $parsed_args['term_group'] ) ? $parsed_args['term_group'] : 0; if ( $args['alias_of'] ) { $alias = get_term_by( 'slug', $args['alias_of'], $taxonomy ); if ( ! empty( $alias->term_group ) ) { // The alias we want is already in a group, so let's use that one. $term_group = $alias->term_group; } elseif ( ! empty( $alias->term_id ) ) { /* * The alias is not in a group, so we create a new one * and add the alias to it. */ $term_group = $wpdb->get_var( "SELECT MAX(term_group) FROM $wpdb->terms" ) + 1; wp_update_term( $alias->term_id, $taxonomy, array( 'term_group' => $term_group, ) ); } $parsed_args['term_group'] = $term_group; } /** * Filters the term parent. * * Hook to this filter to see if it will cause a hierarchy loop. * * @since 3.1.0 * * @param int $parent ID of the parent term. * @param int $term_id Term ID. * @param string $taxonomy Taxonomy slug. * @param array $parsed_args An array of potentially altered update arguments for the given term. * @param array $args An array of update arguments for the given term. */ $parent = (int) apply_filters( 'wp_update_term_parent', $args['parent'], $term_id, $taxonomy, $parsed_args, $args ); // Check for duplicate slug. $duplicate = get_term_by( 'slug', $slug, $taxonomy ); if ( $duplicate && $duplicate->term_id !== $term_id ) { // If an empty slug was passed or the parent changed, reset the slug to something unique. // Otherwise, bail. if ( $empty_slug || ( $parent !== (int) $term['parent'] ) ) { $slug = wp_unique_term_slug( $slug, (object) $args ); } else { /* translators: %s: Taxonomy term slug. */ return new WP_Error( 'duplicate_term_slug', sprintf( __( 'The slug “%s” is already in use by another term.' ), $slug ) ); } } $tt_id = (int) $wpdb->get_var( $wpdb->prepare( "SELECT tt.term_taxonomy_id FROM $wpdb->term_taxonomy AS tt INNER JOIN $wpdb->terms AS t ON tt.term_id = t.term_id WHERE tt.taxonomy = %s AND t.term_id = %d", $taxonomy, $term_id ) ); // Check whether this is a shared term that needs splitting. $_term_id = _split_shared_term( $term_id, $tt_id ); if ( ! is_wp_error( $_term_id ) ) { $term_id = $_term_id; } /** * Fires immediately before the given terms are edited. * * @since 2.9.0 * * @param int $term_id Term ID. * @param string $taxonomy Taxonomy slug. */ do_action( 'edit_terms', $term_id, $taxonomy ); $data = compact( 'name', 'slug', 'term_group' ); /** * Filters term data before it is updated in the database. * * @since 4.7.0 * * @param array $data Term data to be updated. * @param int $term_id Term ID. * @param string $taxonomy Taxonomy slug. * @param array $args Arguments passed to wp_update_term(). */ $data = apply_filters( 'wp_update_term_data', $data, $term_id, $taxonomy, $args ); $wpdb->update( $wpdb->terms, $data, compact( 'term_id' ) ); if ( empty( $slug ) ) { $slug = sanitize_title( $name, $term_id ); $wpdb->update( $wpdb->terms, compact( 'slug' ), compact( 'term_id' ) ); } /** * Fires immediately after a term is updated in the database, but before its * term-taxonomy relationship is updated. * * @since 2.9.0 * * @param int $term_id Term ID. * @param string $taxonomy Taxonomy slug. */ do_action( 'edited_terms', $term_id, $taxonomy ); /** * Fires immediate before a term-taxonomy relationship is updated. * * @since 2.9.0 * * @param int $tt_id Term taxonomy ID. * @param string $taxonomy Taxonomy slug. */ do_action( 'edit_term_taxonomy', $tt_id, $taxonomy ); $wpdb->update( $wpdb->term_taxonomy, compact( 'term_id', 'taxonomy', 'description', 'parent' ), array( 'term_taxonomy_id' => $tt_id ) ); /** * Fires immediately after a term-taxonomy relationship is updated. * * @since 2.9.0 * * @param int $tt_id Term taxonomy ID. * @param string $taxonomy Taxonomy slug. */ do_action( 'edited_term_taxonomy', $tt_id, $taxonomy ); /** * Fires after a term has been updated, but before the term cache has been cleaned. * * The {@see 'edit_$taxonomy'} hook is also available for targeting a specific * taxonomy. * * @since 2.3.0 * * @param int $term_id Term ID. * @param int $tt_id Term taxonomy ID. * @param string $taxonomy Taxonomy slug. */ do_action( 'edit_term', $term_id, $tt_id, $taxonomy ); /** * Fires after a term in a specific taxonomy has been updated, but before the term * cache has been cleaned. * * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug. * * Possible hook names include: * * - `edit_category` * - `edit_post_tag` * * @since 2.3.0 * * @param int $term_id Term ID. * @param int $tt_id Term taxonomy ID. */ do_action( "edit_{$taxonomy}", $term_id, $tt_id ); /** This filter is documented in wp-includes/taxonomy.php */ $term_id = apply_filters( 'term_id_filter', $term_id, $tt_id ); clean_term_cache( $term_id, $taxonomy ); /** * Fires after a term has been updated, and the term cache has been cleaned. * * The {@see 'edited_$taxonomy'} hook is also available for targeting a specific * taxonomy. * * @since 2.3.0 * * @param int $term_id Term ID. * @param int $tt_id Term taxonomy ID. * @param string $taxonomy Taxonomy slug. */ do_action( 'edited_term', $term_id, $tt_id, $taxonomy ); /** * Fires after a term for a specific taxonomy has been updated, and the term * cache has been cleaned. * * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug. * * Possible hook names include: * * - `edited_category` * - `edited_post_tag` * * @since 2.3.0 * * @param int $term_id Term ID. * @param int $tt_id Term taxonomy ID. */ do_action( "edited_{$taxonomy}", $term_id, $tt_id ); /** This action is documented in wp-includes/taxonomy.php */ do_action( 'saved_term', $term_id, $tt_id, $taxonomy, true ); /** This action is documented in wp-includes/taxonomy.php */ do_action( "saved_{$taxonomy}", $term_id, $tt_id, true ); return array( 'term_id' => $term_id, 'term_taxonomy_id' => $tt_id, ); } /** * Enables or disables term counting. * * @since 2.5.0 * * @param bool $defer Optional. Enable if true, disable if false. * @return bool Whether term counting is enabled or disabled. */ function wp_defer_term_counting( $defer = null ) { static $_defer = false; if ( is_bool( $defer ) ) { $_defer = $defer; // Flush any deferred counts. if ( ! $defer ) { wp_update_term_count( null, null, true ); } } return $_defer; } /** * Updates the amount of terms in taxonomy. * * If there is a taxonomy callback applied, then it will be called for updating * the count. * * The default action is to count what the amount of terms have the relationship * of term ID. Once that is done, then update the database. * * @since 2.3.0 * * @param int|array $terms The term_taxonomy_id of the terms. * @param string $taxonomy The context of the term. * @param bool $do_deferred Whether to flush the deferred term counts too. Default false. * @return bool If no terms will return false, and if successful will return true. */ function wp_update_term_count( $terms, $taxonomy, $do_deferred = false ) { static $_deferred = array(); if ( $do_deferred ) { foreach ( (array) array_keys( $_deferred ) as $tax ) { wp_update_term_count_now( $_deferred[ $tax ], $tax ); unset( $_deferred[ $tax ] ); } } if ( empty( $terms ) ) { return false; } if ( ! is_array( $terms ) ) { $terms = array( $terms ); } if ( wp_defer_term_counting() ) { if ( ! isset( $_deferred[ $taxonomy ] ) ) { $_deferred[ $taxonomy ] = array(); } $_deferred[ $taxonomy ] = array_unique( array_merge( $_deferred[ $taxonomy ], $terms ) ); return true; } return wp_update_term_count_now( $terms, $taxonomy ); } /** * Performs term count update immediately. * * @since 2.5.0 * * @param array $terms The term_taxonomy_id of terms to update. * @param string $taxonomy The context of the term. * @return true Always true when complete. */ function wp_update_term_count_now( $terms, $taxonomy ) { $terms = array_map( 'intval', $terms ); $taxonomy = get_taxonomy( $taxonomy ); if ( ! empty( $taxonomy->update_count_callback ) ) { call_user_func( $taxonomy->update_count_callback, $terms, $taxonomy ); } else { $object_types = (array) $taxonomy->object_type; foreach ( $object_types as &$object_type ) { if ( 0 === strpos( $object_type, 'attachment:' ) ) { list( $object_type ) = explode( ':', $object_type ); } } if ( array_filter( $object_types, 'post_type_exists' ) == $object_types ) { // Only post types are attached to this taxonomy. _update_post_term_count( $terms, $taxonomy ); } else { // Default count updater. _update_generic_term_count( $terms, $taxonomy ); } } clean_term_cache( $terms, '', false ); return true; } // // Cache. // /** * Removes the taxonomy relationship to terms from the cache. * * Will remove the entire taxonomy relationship containing term `$object_id`. The * term IDs have to exist within the taxonomy `$object_type` for the deletion to * take place. * * @since 2.3.0 * * @global bool $_wp_suspend_cache_invalidation * * @see get_object_taxonomies() for more on $object_type. * * @param int|array $object_ids Single or list of term object ID(s). * @param array|string $object_type The taxonomy object type. */ function clean_object_term_cache( $object_ids, $object_type ) { global $_wp_suspend_cache_invalidation; if ( ! empty( $_wp_suspend_cache_invalidation ) ) { return; } if ( ! is_array( $object_ids ) ) { $object_ids = array( $object_ids ); } $taxonomies = get_object_taxonomies( $object_type ); foreach ( $taxonomies as $taxonomy ) { wp_cache_delete_multiple( $object_ids, "{$taxonomy}_relationships" ); } wp_cache_delete( 'last_changed', 'terms' ); /** * Fires after the object term cache has been cleaned. * * @since 2.5.0 * * @param array $object_ids An array of object IDs. * @param string $object_type Object type. */ do_action( 'clean_object_term_cache', $object_ids, $object_type ); } /** * Removes all of the term IDs from the cache. * * @since 2.3.0 * * @global wpdb $wpdb WordPress database abstraction object. * @global bool $_wp_suspend_cache_invalidation * * @param int|int[] $ids Single or array of term IDs. * @param string $taxonomy Optional. Taxonomy slug. Can be empty, in which case the taxonomies of the passed * term IDs will be used. Default empty. * @param bool $clean_taxonomy Optional. Whether to clean taxonomy wide caches (true), or just individual * term object caches (false). Default true. */ function clean_term_cache( $ids, $taxonomy = '', $clean_taxonomy = true ) { global $wpdb, $_wp_suspend_cache_invalidation; if ( ! empty( $_wp_suspend_cache_invalidation ) ) { return; } if ( ! is_array( $ids ) ) { $ids = array( $ids ); } $taxonomies = array(); // If no taxonomy, assume tt_ids. if ( empty( $taxonomy ) ) { $tt_ids = array_map( 'intval', $ids ); $tt_ids = implode( ', ', $tt_ids ); $terms = $wpdb->get_results( "SELECT term_id, taxonomy FROM $wpdb->term_taxonomy WHERE term_taxonomy_id IN ($tt_ids)" ); $ids = array(); foreach ( (array) $terms as $term ) { $taxonomies[] = $term->taxonomy; $ids[] = $term->term_id; } wp_cache_delete_multiple( $ids, 'terms' ); $taxonomies = array_unique( $taxonomies ); } else { wp_cache_delete_multiple( $ids, 'terms' ); $taxonomies = array( $taxonomy ); } foreach ( $taxonomies as $taxonomy ) { if ( $clean_taxonomy ) { clean_taxonomy_cache( $taxonomy ); } /** * Fires once after each taxonomy's term cache has been cleaned. * * @since 2.5.0 * @since 4.5.0 Added the `$clean_taxonomy` parameter. * * @param array $ids An array of term IDs. * @param string $taxonomy Taxonomy slug. * @param bool $clean_taxonomy Whether or not to clean taxonomy-wide caches */ do_action( 'clean_term_cache', $ids, $taxonomy, $clean_taxonomy ); } wp_cache_set( 'last_changed', microtime(), 'terms' ); } /** * Cleans the caches for a taxonomy. * * @since 4.9.0 * * @param string $taxonomy Taxonomy slug. */ function clean_taxonomy_cache( $taxonomy ) { wp_cache_delete( 'all_ids', $taxonomy ); wp_cache_delete( 'get', $taxonomy ); wp_cache_delete( 'last_changed', 'terms' ); // Regenerate cached hierarchy. delete_option( "{$taxonomy}_children" ); _get_term_hierarchy( $taxonomy ); /** * Fires after a taxonomy's caches have been cleaned. * * @since 4.9.0 * * @param string $taxonomy Taxonomy slug. */ do_action( 'clean_taxonomy_cache', $taxonomy ); } /** * Retrieves the cached term objects for the given object ID. * * Upstream functions (like get_the_terms() and is_object_in_term()) are * responsible for populating the object-term relationship cache. The current * function only fetches relationship data that is already in the cache. * * @since 2.3.0 * @since 4.7.0 Returns a `WP_Error` object if there's an error with * any of the matched terms. * * @param int $id Term object ID, for example a post, comment, or user ID. * @param string $taxonomy Taxonomy name. * @return bool|WP_Term[]|WP_Error Array of `WP_Term` objects, if cached. * False if cache is empty for `$taxonomy` and `$id`. * WP_Error if get_term() returns an error object for any term. */ function get_object_term_cache( $id, $taxonomy ) { $_term_ids = wp_cache_get( $id, "{$taxonomy}_relationships" ); // We leave the priming of relationship caches to upstream functions. if ( false === $_term_ids ) { return false; } // Backward compatibility for if a plugin is putting objects into the cache, rather than IDs. $term_ids = array(); foreach ( $_term_ids as $term_id ) { if ( is_numeric( $term_id ) ) { $term_ids[] = (int) $term_id; } elseif ( isset( $term_id->term_id ) ) { $term_ids[] = (int) $term_id->term_id; } } // Fill the term objects. _prime_term_caches( $term_ids ); $terms = array(); foreach ( $term_ids as $term_id ) { $term = get_term( $term_id, $taxonomy ); if ( is_wp_error( $term ) ) { return $term; } $terms[] = $term; } return $terms; } /** * Updates the cache for the given term object ID(s). * * Note: Due to performance concerns, great care should be taken to only update * term caches when necessary. Processing time can increase exponentially depending * on both the number of passed term IDs and the number of taxonomies those terms * belong to. * * Caches will only be updated for terms not already cached. * * @since 2.3.0 * * @param string|int[] $object_ids Comma-separated list or array of term object IDs. * @param string|string[] $object_type The taxonomy object type or array of the same. * @return void|false Void on success or if the `$object_ids` parameter is empty, * false if all of the terms in `$object_ids` are already cached. */ function update_object_term_cache( $object_ids, $object_type ) { if ( empty( $object_ids ) ) { return; } if ( ! is_array( $object_ids ) ) { $object_ids = explode( ',', $object_ids ); } $object_ids = array_map( 'intval', $object_ids ); $non_cached_ids = array(); $taxonomies = get_object_taxonomies( $object_type ); foreach ( $taxonomies as $taxonomy ) { $cache_values = wp_cache_get_multiple( (array) $object_ids, "{$taxonomy}_relationships" ); foreach ( $cache_values as $id => $value ) { if ( false === $value ) { $non_cached_ids[] = $id; } } } if ( empty( $non_cached_ids ) ) { return false; } $non_cached_ids = array_unique( $non_cached_ids ); $terms = wp_get_object_terms( $non_cached_ids, $taxonomies, array( 'fields' => 'all_with_object_id', 'orderby' => 'name', 'update_term_meta_cache' => false, ) ); $object_terms = array(); foreach ( (array) $terms as $term ) { $object_terms[ $term->object_id ][ $term->taxonomy ][] = $term->term_id; } foreach ( $non_cached_ids as $id ) { foreach ( $taxonomies as $taxonomy ) { if ( ! isset( $object_terms[ $id ][ $taxonomy ] ) ) { if ( ! isset( $object_terms[ $id ] ) ) { $object_terms[ $id ] = array(); } $object_terms[ $id ][ $taxonomy ] = array(); } } } $cache_values = array(); foreach ( $object_terms as $id => $value ) { foreach ( $value as $taxonomy => $terms ) { $cache_values[ $taxonomy ][ $id ] = $terms; } } foreach ( $cache_values as $taxonomy => $data ) { wp_cache_add_multiple( $data, "{$taxonomy}_relationships" ); } } /** * Updates terms in cache. * * @since 2.3.0 * * @param WP_Term[] $terms Array of term objects to change. * @param string $taxonomy Not used. */ function update_term_cache( $terms, $taxonomy = '' ) { $data = array(); foreach ( (array) $terms as $term ) { // Create a copy in case the array was passed by reference. $_term = clone $term; // Object ID should not be cached. unset( $_term->object_id ); $data[ $term->term_id ] = $_term; } wp_cache_add_multiple( $data, 'terms' ); } // // Private. // /** * Retrieves children of taxonomy as term IDs. * * @access private * @since 2.3.0 * * @param string $taxonomy Taxonomy name. * @return array Empty if $taxonomy isn't hierarchical or returns children as term IDs. */ function _get_term_hierarchy( $taxonomy ) { if ( ! is_taxonomy_hierarchical( $taxonomy ) ) { return array(); } $children = get_option( "{$taxonomy}_children" ); if ( is_array( $children ) ) { return $children; } $children = array(); $terms = get_terms( array( 'taxonomy' => $taxonomy, 'get' => 'all', 'orderby' => 'id', 'fields' => 'id=>parent', 'update_term_meta_cache' => false, ) ); foreach ( $terms as $term_id => $parent ) { if ( $parent > 0 ) { $children[ $parent ][] = $term_id; } } update_option( "{$taxonomy}_children", $children ); return $children; } /** * Gets the subset of $terms that are descendants of $term_id. * * If `$terms` is an array of objects, then _get_term_children() returns an array of objects. * If `$terms` is an array of IDs, then _get_term_children() returns an array of IDs. * * @access private * @since 2.3.0 * * @param int $term_id The ancestor term: all returned terms should be descendants of `$term_id`. * @param array $terms The set of terms - either an array of term objects or term IDs - from which those that * are descendants of $term_id will be chosen. * @param string $taxonomy The taxonomy which determines the hierarchy of the terms. * @param array $ancestors Optional. Term ancestors that have already been identified. Passed by reference, to keep * track of found terms when recursing the hierarchy. The array of located ancestors is used * to prevent infinite recursion loops. For performance, `term_ids` are used as array keys, * with 1 as value. Default empty array. * @return array|WP_Error The subset of $terms that are descendants of $term_id. */ function _get_term_children( $term_id, $terms, $taxonomy, &$ancestors = array() ) { $empty_array = array(); if ( empty( $terms ) ) { return $empty_array; } $term_id = (int) $term_id; $term_list = array(); $has_children = _get_term_hierarchy( $taxonomy ); if ( $term_id && ! isset( $has_children[ $term_id ] ) ) { return $empty_array; } // Include the term itself in the ancestors array, so we can properly detect when a loop has occurred. if ( empty( $ancestors ) ) { $ancestors[ $term_id ] = 1; } foreach ( (array) $terms as $term ) { $use_id = false; if ( ! is_object( $term ) ) { $term = get_term( $term, $taxonomy ); if ( is_wp_error( $term ) ) { return $term; } $use_id = true; } // Don't recurse if we've already identified the term as a child - this indicates a loop. if ( isset( $ancestors[ $term->term_id ] ) ) { continue; } if ( (int) $term->parent === $term_id ) { if ( $use_id ) { $term_list[] = $term->term_id; } else { $term_list[] = $term; } if ( ! isset( $has_children[ $term->term_id ] ) ) { continue; } $ancestors[ $term->term_id ] = 1; $children = _get_term_children( $term->term_id, $terms, $taxonomy, $ancestors ); if ( $children ) { $term_list = array_merge( $term_list, $children ); } } } return $term_list; } /** * Adds count of children to parent count. * * Recalculates term counts by including items from child terms. Assumes all * relevant children are already in the $terms argument. * * @access private * @since 2.3.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param object[]|WP_Term[] $terms List of term objects (passed by reference). * @param string $taxonomy Term context. */ function _pad_term_counts( &$terms, $taxonomy ) { global $wpdb; // This function only works for hierarchical taxonomies like post categories. if ( ! is_taxonomy_hierarchical( $taxonomy ) ) { return; } $term_hier = _get_term_hierarchy( $taxonomy ); if ( empty( $term_hier ) ) { return; } $term_items = array(); $terms_by_id = array(); $term_ids = array(); foreach ( (array) $terms as $key => $term ) { $terms_by_id[ $term->term_id ] = & $terms[ $key ]; $term_ids[ $term->term_taxonomy_id ] = $term->term_id; } // Get the object and term IDs and stick them in a lookup table. $tax_obj = get_taxonomy( $taxonomy ); $object_types = esc_sql( $tax_obj->object_type ); $results = $wpdb->get_results( "SELECT object_id, term_taxonomy_id FROM $wpdb->term_relationships INNER JOIN $wpdb->posts ON object_id = ID WHERE term_taxonomy_id IN (" . implode( ',', array_keys( $term_ids ) ) . ") AND post_type IN ('" . implode( "', '", $object_types ) . "') AND post_status = 'publish'" ); foreach ( $results as $row ) { $id = $term_ids[ $row->term_taxonomy_id ]; $term_items[ $id ][ $row->object_id ] = isset( $term_items[ $id ][ $row->object_id ] ) ? ++$term_items[ $id ][ $row->object_id ] : 1; } // Touch every ancestor's lookup row for each post in each term. foreach ( $term_ids as $term_id ) { $child = $term_id; $ancestors = array(); while ( ! empty( $terms_by_id[ $child ] ) && $parent = $terms_by_id[ $child ]->parent ) { $ancestors[] = $child; if ( ! empty( $term_items[ $term_id ] ) ) { foreach ( $term_items[ $term_id ] as $item_id => $touches ) { $term_items[ $parent ][ $item_id ] = isset( $term_items[ $parent ][ $item_id ] ) ? ++$term_items[ $parent ][ $item_id ] : 1; } } $child = $parent; if ( in_array( $parent, $ancestors, true ) ) { break; } } } // Transfer the touched cells. foreach ( (array) $term_items as $id => $items ) { if ( isset( $terms_by_id[ $id ] ) ) { $terms_by_id[ $id ]->count = count( $items ); } } } /** * Adds any terms from the given IDs to the cache that do not already exist in cache. * * @since 4.6.0 * @access private * * @global wpdb $wpdb WordPress database abstraction object. * * @param array $term_ids Array of term IDs. * @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true. */ function _prime_term_caches( $term_ids, $update_meta_cache = true ) { global $wpdb; $non_cached_ids = _get_non_cached_ids( $term_ids, 'terms' ); if ( ! empty( $non_cached_ids ) ) { $fresh_terms = $wpdb->get_results( sprintf( "SELECT t.*, tt.* FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy AS tt ON t.term_id = tt.term_id WHERE t.term_id IN (%s)", implode( ',', array_map( 'intval', $non_cached_ids ) ) ) ); update_term_cache( $fresh_terms ); if ( $update_meta_cache ) { update_termmeta_cache( $non_cached_ids ); } } } // // Default callbacks. // /** * Updates term count based on object types of the current taxonomy. * * Private function for the default callback for post_tag and category * taxonomies. * * @access private * @since 2.3.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int[] $terms List of term taxonomy IDs. * @param WP_Taxonomy $taxonomy Current taxonomy object of terms. */ function _update_post_term_count( $terms, $taxonomy ) { global $wpdb; $object_types = (array) $taxonomy->object_type; foreach ( $object_types as &$object_type ) { list( $object_type ) = explode( ':', $object_type ); } $object_types = array_unique( $object_types ); $check_attachments = array_search( 'attachment', $object_types, true ); if ( false !== $check_attachments ) { unset( $object_types[ $check_attachments ] ); $check_attachments = true; } if ( $object_types ) { $object_types = esc_sql( array_filter( $object_types, 'post_type_exists' ) ); } $post_statuses = array( 'publish' ); /** * Filters the post statuses for updating the term count. * * @since 5.7.0 * * @param string[] $post_statuses List of post statuses to include in the count. Default is 'publish'. * @param WP_Taxonomy $taxonomy Current taxonomy object. */ $post_statuses = esc_sql( apply_filters( 'update_post_term_count_statuses', $post_statuses, $taxonomy ) ); foreach ( (array) $terms as $term ) { $count = 0; // Attachments can be 'inherit' status, we need to base count off the parent's status if so. if ( $check_attachments ) { // phpcs:ignore WordPress.DB.PreparedSQLPlaceholders.QuotedDynamicPlaceholderGeneration $count += (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships, $wpdb->posts p1 WHERE p1.ID = $wpdb->term_relationships.object_id AND ( post_status IN ('" . implode( "', '", $post_statuses ) . "') OR ( post_status = 'inherit' AND post_parent > 0 AND ( SELECT post_status FROM $wpdb->posts WHERE ID = p1.post_parent ) IN ('" . implode( "', '", $post_statuses ) . "') ) ) AND post_type = 'attachment' AND term_taxonomy_id = %d", $term ) ); } if ( $object_types ) { // phpcs:ignore WordPress.DB.PreparedSQLPlaceholders.QuotedDynamicPlaceholderGeneration $count += (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships, $wpdb->posts WHERE $wpdb->posts.ID = $wpdb->term_relationships.object_id AND post_status IN ('" . implode( "', '", $post_statuses ) . "') AND post_type IN ('" . implode( "', '", $object_types ) . "') AND term_taxonomy_id = %d", $term ) ); } /** This action is documented in wp-includes/taxonomy.php */ do_action( 'edit_term_taxonomy', $term, $taxonomy->name ); $wpdb->update( $wpdb->term_taxonomy, compact( 'count' ), array( 'term_taxonomy_id' => $term ) ); /** This action is documented in wp-includes/taxonomy.php */ do_action( 'edited_term_taxonomy', $term, $taxonomy->name ); } } /** * Updates term count based on number of objects. * * Default callback for the 'link_category' taxonomy. * * @since 3.3.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int[] $terms List of term taxonomy IDs. * @param WP_Taxonomy $taxonomy Current taxonomy object of terms. */ function _update_generic_term_count( $terms, $taxonomy ) { global $wpdb; foreach ( (array) $terms as $term ) { $count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships WHERE term_taxonomy_id = %d", $term ) ); /** This action is documented in wp-includes/taxonomy.php */ do_action( 'edit_term_taxonomy', $term, $taxonomy->name ); $wpdb->update( $wpdb->term_taxonomy, compact( 'count' ), array( 'term_taxonomy_id' => $term ) ); /** This action is documented in wp-includes/taxonomy.php */ do_action( 'edited_term_taxonomy', $term, $taxonomy->name ); } } /** * Creates a new term for a term_taxonomy item that currently shares its term * with another term_taxonomy. * * @ignore * @since 4.2.0 * @since 4.3.0 Introduced `$record` parameter. Also, `$term_id` and * `$term_taxonomy_id` can now accept objects. * * @global wpdb $wpdb WordPress database abstraction object. * * @param int|object $term_id ID of the shared term, or the shared term object. * @param int|object $term_taxonomy_id ID of the term_taxonomy item to receive a new term, or the term_taxonomy object * (corresponding to a row from the term_taxonomy table). * @param bool $record Whether to record data about the split term in the options table. The recording * process has the potential to be resource-intensive, so during batch operations * it can be beneficial to skip inline recording and do it just once, after the * batch is processed. Only set this to `false` if you know what you are doing. * Default: true. * @return int|WP_Error When the current term does not need to be split (or cannot be split on the current * database schema), `$term_id` is returned. When the term is successfully split, the * new term_id is returned. A WP_Error is returned for miscellaneous errors. */ function _split_shared_term( $term_id, $term_taxonomy_id, $record = true ) { global $wpdb; if ( is_object( $term_id ) ) { $shared_term = $term_id; $term_id = (int) $shared_term->term_id; } if ( is_object( $term_taxonomy_id ) ) { $term_taxonomy = $term_taxonomy_id; $term_taxonomy_id = (int) $term_taxonomy->term_taxonomy_id; } // If there are no shared term_taxonomy rows, there's nothing to do here. $shared_tt_count = (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_taxonomy tt WHERE tt.term_id = %d AND tt.term_taxonomy_id != %d", $term_id, $term_taxonomy_id ) ); if ( ! $shared_tt_count ) { return $term_id; } /* * Verify that the term_taxonomy_id passed to the function is actually associated with the term_id. * If there's a mismatch, it may mean that the term is already split. Return the actual term_id from the db. */ $check_term_id = (int) $wpdb->get_var( $wpdb->prepare( "SELECT term_id FROM $wpdb->term_taxonomy WHERE term_taxonomy_id = %d", $term_taxonomy_id ) ); if ( $check_term_id !== $term_id ) { return $check_term_id; } // Pull up data about the currently shared slug, which we'll use to populate the new one. if ( empty( $shared_term ) ) { $shared_term = $wpdb->get_row( $wpdb->prepare( "SELECT t.* FROM $wpdb->terms t WHERE t.term_id = %d", $term_id ) ); } $new_term_data = array( 'name' => $shared_term->name, 'slug' => $shared_term->slug, 'term_group' => $shared_term->term_group, ); if ( false === $wpdb->insert( $wpdb->terms, $new_term_data ) ) { return new WP_Error( 'db_insert_error', __( 'Could not split shared term.' ), $wpdb->last_error ); } $new_term_id = (int) $wpdb->insert_id; // Update the existing term_taxonomy to point to the newly created term. $wpdb->update( $wpdb->term_taxonomy, array( 'term_id' => $new_term_id ), array( 'term_taxonomy_id' => $term_taxonomy_id ) ); // Reassign child terms to the new parent. if ( empty( $term_taxonomy ) ) { $term_taxonomy = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->term_taxonomy WHERE term_taxonomy_id = %d", $term_taxonomy_id ) ); } $children_tt_ids = $wpdb->get_col( $wpdb->prepare( "SELECT term_taxonomy_id FROM $wpdb->term_taxonomy WHERE parent = %d AND taxonomy = %s", $term_id, $term_taxonomy->taxonomy ) ); if ( ! empty( $children_tt_ids ) ) { foreach ( $children_tt_ids as $child_tt_id ) { $wpdb->update( $wpdb->term_taxonomy, array( 'parent' => $new_term_id ), array( 'term_taxonomy_id' => $child_tt_id ) ); clean_term_cache( (int) $child_tt_id, '', false ); } } else { // If the term has no children, we must force its taxonomy cache to be rebuilt separately. clean_term_cache( $new_term_id, $term_taxonomy->taxonomy, false ); } clean_term_cache( $term_id, $term_taxonomy->taxonomy, false ); /* * Taxonomy cache clearing is delayed to avoid race conditions that may occur when * regenerating the taxonomy's hierarchy tree. */ $taxonomies_to_clean = array( $term_taxonomy->taxonomy ); // Clean the cache for term taxonomies formerly shared with the current term. $shared_term_taxonomies = $wpdb->get_col( $wpdb->prepare( "SELECT taxonomy FROM $wpdb->term_taxonomy WHERE term_id = %d", $term_id ) ); $taxonomies_to_clean = array_merge( $taxonomies_to_clean, $shared_term_taxonomies ); foreach ( $taxonomies_to_clean as $taxonomy_to_clean ) { clean_taxonomy_cache( $taxonomy_to_clean ); } // Keep a record of term_ids that have been split, keyed by old term_id. See wp_get_split_term(). if ( $record ) { $split_term_data = get_option( '_split_terms', array() ); if ( ! isset( $split_term_data[ $term_id ] ) ) { $split_term_data[ $term_id ] = array(); } $split_term_data[ $term_id ][ $term_taxonomy->taxonomy ] = $new_term_id; update_option( '_split_terms', $split_term_data ); } // If we've just split the final shared term, set the "finished" flag. $shared_terms_exist = $wpdb->get_results( "SELECT tt.term_id, t.*, count(*) as term_tt_count FROM {$wpdb->term_taxonomy} tt LEFT JOIN {$wpdb->terms} t ON t.term_id = tt.term_id GROUP BY t.term_id HAVING term_tt_count > 1 LIMIT 1" ); if ( ! $shared_terms_exist ) { update_option( 'finished_splitting_shared_terms', true ); } /** * Fires after a previously shared taxonomy term is split into two separate terms. * * @since 4.2.0 * * @param int $term_id ID of the formerly shared term. * @param int $new_term_id ID of the new term created for the $term_taxonomy_id. * @param int $term_taxonomy_id ID for the term_taxonomy row affected by the split. * @param string $taxonomy Taxonomy for the split term. */ do_action( 'split_shared_term', $term_id, $new_term_id, $term_taxonomy_id, $term_taxonomy->taxonomy ); return $new_term_id; } /** * Splits a batch of shared taxonomy terms. * * @since 4.3.0 * * @global wpdb $wpdb WordPress database abstraction object. */ function _wp_batch_split_terms() { global $wpdb; $lock_name = 'term_split.lock'; // Try to lock. $lock_result = $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO `$wpdb->options` ( `option_name`, `option_value`, `autoload` ) VALUES (%s, %s, 'no') /* LOCK */", $lock_name, time() ) ); if ( ! $lock_result ) { $lock_result = get_option( $lock_name ); // Bail if we were unable to create a lock, or if the existing lock is still valid. if ( ! $lock_result || ( $lock_result > ( time() - HOUR_IN_SECONDS ) ) ) { wp_schedule_single_event( time() + ( 5 * MINUTE_IN_SECONDS ), 'wp_split_shared_term_batch' ); return; } } // Update the lock, as by this point we've definitely got a lock, just need to fire the actions. update_option( $lock_name, time() ); // Get a list of shared terms (those with more than one associated row in term_taxonomy). $shared_terms = $wpdb->get_results( "SELECT tt.term_id, t.*, count(*) as term_tt_count FROM {$wpdb->term_taxonomy} tt LEFT JOIN {$wpdb->terms} t ON t.term_id = tt.term_id GROUP BY t.term_id HAVING term_tt_count > 1 LIMIT 10" ); // No more terms, we're done here. if ( ! $shared_terms ) { update_option( 'finished_splitting_shared_terms', true ); delete_option( $lock_name ); return; } // Shared terms found? We'll need to run this script again. wp_schedule_single_event( time() + ( 2 * MINUTE_IN_SECONDS ), 'wp_split_shared_term_batch' ); // Rekey shared term array for faster lookups. $_shared_terms = array(); foreach ( $shared_terms as $shared_term ) { $term_id = (int) $shared_term->term_id; $_shared_terms[ $term_id ] = $shared_term; } $shared_terms = $_shared_terms; // Get term taxonomy data for all shared terms. $shared_term_ids = implode( ',', array_keys( $shared_terms ) ); $shared_tts = $wpdb->get_results( "SELECT * FROM {$wpdb->term_taxonomy} WHERE `term_id` IN ({$shared_term_ids})" ); // Split term data recording is slow, so we do it just once, outside the loop. $split_term_data = get_option( '_split_terms', array() ); $skipped_first_term = array(); $taxonomies = array(); foreach ( $shared_tts as $shared_tt ) { $term_id = (int) $shared_tt->term_id; // Don't split the first tt belonging to a given term_id. if ( ! isset( $skipped_first_term[ $term_id ] ) ) { $skipped_first_term[ $term_id ] = 1; continue; } if ( ! isset( $split_term_data[ $term_id ] ) ) { $split_term_data[ $term_id ] = array(); } // Keep track of taxonomies whose hierarchies need flushing. if ( ! isset( $taxonomies[ $shared_tt->taxonomy ] ) ) { $taxonomies[ $shared_tt->taxonomy ] = 1; } // Split the term. $split_term_data[ $term_id ][ $shared_tt->taxonomy ] = _split_shared_term( $shared_terms[ $term_id ], $shared_tt, false ); } // Rebuild the cached hierarchy for each affected taxonomy. foreach ( array_keys( $taxonomies ) as $tax ) { delete_option( "{$tax}_children" ); _get_term_hierarchy( $tax ); } update_option( '_split_terms', $split_term_data ); delete_option( $lock_name ); } /** * In order to avoid the _wp_batch_split_terms() job being accidentally removed, * checks that it's still scheduled while we haven't finished splitting terms. * * @ignore * @since 4.3.0 */ function _wp_check_for_scheduled_split_terms() { if ( ! get_option( 'finished_splitting_shared_terms' ) && ! wp_next_scheduled( 'wp_split_shared_term_batch' ) ) { wp_schedule_single_event( time() + MINUTE_IN_SECONDS, 'wp_split_shared_term_batch' ); } } /** * Checks default categories when a term gets split to see if any of them need to be updated. * * @ignore * @since 4.2.0 * * @param int $term_id ID of the formerly shared term. * @param int $new_term_id ID of the new term created for the $term_taxonomy_id. * @param int $term_taxonomy_id ID for the term_taxonomy row affected by the split. * @param string $taxonomy Taxonomy for the split term. */ function _wp_check_split_default_terms( $term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) { if ( 'category' !== $taxonomy ) { return; } foreach ( array( 'default_category', 'default_link_category', 'default_email_category' ) as $option ) { if ( (int) get_option( $option, -1 ) === $term_id ) { update_option( $option, $new_term_id ); } } } /** * Checks menu items when a term gets split to see if any of them need to be updated. * * @ignore * @since 4.2.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $term_id ID of the formerly shared term. * @param int $new_term_id ID of the new term created for the $term_taxonomy_id. * @param int $term_taxonomy_id ID for the term_taxonomy row affected by the split. * @param string $taxonomy Taxonomy for the split term. */ function _wp_check_split_terms_in_menus( $term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) { global $wpdb; $post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT m1.post_id FROM {$wpdb->postmeta} AS m1 INNER JOIN {$wpdb->postmeta} AS m2 ON ( m2.post_id = m1.post_id ) INNER JOIN {$wpdb->postmeta} AS m3 ON ( m3.post_id = m1.post_id ) WHERE ( m1.meta_key = '_menu_item_type' AND m1.meta_value = 'taxonomy' ) AND ( m2.meta_key = '_menu_item_object' AND m2.meta_value = %s ) AND ( m3.meta_key = '_menu_item_object_id' AND m3.meta_value = %d )", $taxonomy, $term_id ) ); if ( $post_ids ) { foreach ( $post_ids as $post_id ) { update_post_meta( $post_id, '_menu_item_object_id', $new_term_id, $term_id ); } } } /** * If the term being split is a nav_menu, changes associations. * * @ignore * @since 4.3.0 * * @param int $term_id ID of the formerly shared term. * @param int $new_term_id ID of the new term created for the $term_taxonomy_id. * @param int $term_taxonomy_id ID for the term_taxonomy row affected by the split. * @param string $taxonomy Taxonomy for the split term. */ function _wp_check_split_nav_menu_terms( $term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) { if ( 'nav_menu' !== $taxonomy ) { return; } // Update menu locations. $locations = get_nav_menu_locations(); foreach ( $locations as $location => $menu_id ) { if ( $term_id === $menu_id ) { $locations[ $location ] = $new_term_id; } } set_theme_mod( 'nav_menu_locations', $locations ); } /** * Gets data about terms that previously shared a single term_id, but have since been split. * * @since 4.2.0 * * @param int $old_term_id Term ID. This is the old, pre-split term ID. * @return array Array of new term IDs, keyed by taxonomy. */ function wp_get_split_terms( $old_term_id ) { $split_terms = get_option( '_split_terms', array() ); $terms = array(); if ( isset( $split_terms[ $old_term_id ] ) ) { $terms = $split_terms[ $old_term_id ]; } return $terms; } /** * Gets the new term ID corresponding to a previously split term. * * @since 4.2.0 * * @param int $old_term_id Term ID. This is the old, pre-split term ID. * @param string $taxonomy Taxonomy that the term belongs to. * @return int|false If a previously split term is found corresponding to the old term_id and taxonomy, * the new term_id will be returned. If no previously split term is found matching * the parameters, returns false. */ function wp_get_split_term( $old_term_id, $taxonomy ) { $split_terms = wp_get_split_terms( $old_term_id ); $term_id = false; if ( isset( $split_terms[ $taxonomy ] ) ) { $term_id = (int) $split_terms[ $taxonomy ]; } return $term_id; } /** * Determines whether a term is shared between multiple taxonomies. * * Shared taxonomy terms began to be split in 4.3, but failed cron tasks or * other delays in upgrade routines may cause shared terms to remain. * * @since 4.4.0 * * @param int $term_id Term ID. * @return bool Returns false if a term is not shared between multiple taxonomies or * if splitting shared taxonomy terms is finished. */ function wp_term_is_shared( $term_id ) { global $wpdb; if ( get_option( 'finished_splitting_shared_terms' ) ) { return false; } $tt_count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_taxonomy WHERE term_id = %d", $term_id ) ); return $tt_count > 1; } /** * Generates a permalink for a taxonomy term archive. * * @since 2.5.0 * * @global WP_Rewrite $wp_rewrite WordPress rewrite component. * * @param WP_Term|int|string $term The term object, ID, or slug whose link will be retrieved. * @param string $taxonomy Optional. Taxonomy. Default empty. * @return string|WP_Error URL of the taxonomy term archive on success, WP_Error if term does not exist. */ function get_term_link( $term, $taxonomy = '' ) { global $wp_rewrite; if ( ! is_object( $term ) ) { if ( is_int( $term ) ) { $term = get_term( $term, $taxonomy ); } else { $term = get_term_by( 'slug', $term, $taxonomy ); } } if ( ! is_object( $term ) ) { $term = new WP_Error( 'invalid_term', __( 'Empty Term.' ) ); } if ( is_wp_error( $term ) ) { return $term; } $taxonomy = $term->taxonomy; $termlink = $wp_rewrite->get_extra_permastruct( $taxonomy ); /** * Filters the permalink structure for a term before token replacement occurs. * * @since 4.9.0 * * @param string $termlink The permalink structure for the term's taxonomy. * @param WP_Term $term The term object. */ $termlink = apply_filters( 'pre_term_link', $termlink, $term ); $slug = $term->slug; $t = get_taxonomy( $taxonomy ); if ( empty( $termlink ) ) { if ( 'category' === $taxonomy ) { $termlink = '?cat=' . $term->term_id; } elseif ( $t->query_var ) { $termlink = "?$t->query_var=$slug"; } else { $termlink = "?taxonomy=$taxonomy&term=$slug"; } $termlink = home_url( $termlink ); } else { if ( ! empty( $t->rewrite['hierarchical'] ) ) { $hierarchical_slugs = array(); $ancestors = get_ancestors( $term->term_id, $taxonomy, 'taxonomy' ); foreach ( (array) $ancestors as $ancestor ) { $ancestor_term = get_term( $ancestor, $taxonomy ); $hierarchical_slugs[] = $ancestor_term->slug; } $hierarchical_slugs = array_reverse( $hierarchical_slugs ); $hierarchical_slugs[] = $slug; $termlink = str_replace( "%$taxonomy%", implode( '/', $hierarchical_slugs ), $termlink ); } else { $termlink = str_replace( "%$taxonomy%", $slug, $termlink ); } $termlink = home_url( user_trailingslashit( $termlink, 'category' ) ); } // Back compat filters. if ( 'post_tag' === $taxonomy ) { /** * Filters the tag link. * * @since 2.3.0 * @since 2.5.0 Deprecated in favor of {@see 'term_link'} filter. * @since 5.4.1 Restored (un-deprecated). * * @param string $termlink Tag link URL. * @param int $term_id Term ID. */ $termlink = apply_filters( 'tag_link', $termlink, $term->term_id ); } elseif ( 'category' === $taxonomy ) { /** * Filters the category link. * * @since 1.5.0 * @since 2.5.0 Deprecated in favor of {@see 'term_link'} filter. * @since 5.4.1 Restored (un-deprecated). * * @param string $termlink Category link URL. * @param int $term_id Term ID. */ $termlink = apply_filters( 'category_link', $termlink, $term->term_id ); } /** * Filters the term link. * * @since 2.5.0 * * @param string $termlink Term link URL. * @param WP_Term $term Term object. * @param string $taxonomy Taxonomy slug. */ return apply_filters( 'term_link', $termlink, $term, $taxonomy ); } /** * Displays the taxonomies of a post with available options. * * This function can be used within the loop to display the taxonomies for a * post without specifying the Post ID. You can also use it outside the Loop to * display the taxonomies for a specific post. * * @since 2.5.0 * * @param array $args { * Arguments about which post to use and how to format the output. Shares all of the arguments * supported by get_the_taxonomies(), in addition to the following. * * @type int|WP_Post $post Post ID or object to get taxonomies of. Default current post. * @type string $before Displays before the taxonomies. Default empty string. * @type string $sep Separates each taxonomy. Default is a space. * @type string $after Displays after the taxonomies. Default empty string. * } */ function the_taxonomies( $args = array() ) { $defaults = array( 'post' => 0, 'before' => '', 'sep' => ' ', 'after' => '', ); $parsed_args = wp_parse_args( $args, $defaults ); echo $parsed_args['before'] . implode( $parsed_args['sep'], get_the_taxonomies( $parsed_args['post'], $parsed_args ) ) . $parsed_args['after']; } /** * Retrieves all taxonomies associated with a post. * * This function can be used within the loop. It will also return an array of * the taxonomies with links to the taxonomy and name. * * @since 2.5.0 * * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post. * @param array $args { * Optional. Arguments about how to format the list of taxonomies. Default empty array. * * @type string $template Template for displaying a taxonomy label and list of terms. * Default is "Label: Terms." * @type string $term_template Template for displaying a single term in the list. Default is the term name * linked to its archive. * } * @return array List of taxonomies. */ function get_the_taxonomies( $post = 0, $args = array() ) { $post = get_post( $post ); $args = wp_parse_args( $args, array( /* translators: %s: Taxonomy label, %l: List of terms formatted as per $term_template. */ 'template' => __( '%s: %l.' ), 'term_template' => '%2$s', ) ); $taxonomies = array(); if ( ! $post ) { return $taxonomies; } foreach ( get_object_taxonomies( $post ) as $taxonomy ) { $t = (array) get_taxonomy( $taxonomy ); if ( empty( $t['label'] ) ) { $t['label'] = $taxonomy; } if ( empty( $t['args'] ) ) { $t['args'] = array(); } if ( empty( $t['template'] ) ) { $t['template'] = $args['template']; } if ( empty( $t['term_template'] ) ) { $t['term_template'] = $args['term_template']; } $terms = get_object_term_cache( $post->ID, $taxonomy ); if ( false === $terms ) { $terms = wp_get_object_terms( $post->ID, $taxonomy, $t['args'] ); } $links = array(); foreach ( $terms as $term ) { $links[] = wp_sprintf( $t['term_template'], esc_attr( get_term_link( $term ) ), $term->name ); } if ( $links ) { $taxonomies[ $taxonomy ] = wp_sprintf( $t['template'], $t['label'], $links, $terms ); } } return $taxonomies; } /** * Retrieves all taxonomy names for the given post. * * @since 2.5.0 * * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post. * @return string[] An array of all taxonomy names for the given post. */ function get_post_taxonomies( $post = 0 ) { $post = get_post( $post ); return get_object_taxonomies( $post ); } /** * Determines if the given object is associated with any of the given terms. * * The given terms are checked against the object's terms' term_ids, names and slugs. * Terms given as integers will only be checked against the object's terms' term_ids. * If no terms are given, determines if object is associated with any terms in the given taxonomy. * * @since 2.7.0 * * @param int $object_id ID of the object (post ID, link ID, ...). * @param string $taxonomy Single taxonomy name. * @param int|string|int[]|string[] $terms Optional. Term ID, name, slug, or array of such * to check against. Default null. * @return bool|WP_Error WP_Error on input error. */ function is_object_in_term( $object_id, $taxonomy, $terms = null ) { $object_id = (int) $object_id; if ( ! $object_id ) { return new WP_Error( 'invalid_object', __( 'Invalid object ID.' ) ); } $object_terms = get_object_term_cache( $object_id, $taxonomy ); if ( false === $object_terms ) { $object_terms = wp_get_object_terms( $object_id, $taxonomy, array( 'update_term_meta_cache' => false ) ); if ( is_wp_error( $object_terms ) ) { return $object_terms; } wp_cache_set( $object_id, wp_list_pluck( $object_terms, 'term_id' ), "{$taxonomy}_relationships" ); } if ( is_wp_error( $object_terms ) ) { return $object_terms; } if ( empty( $object_terms ) ) { return false; } if ( empty( $terms ) ) { return ( ! empty( $object_terms ) ); } $terms = (array) $terms; $ints = array_filter( $terms, 'is_int' ); if ( $ints ) { $strs = array_diff( $terms, $ints ); } else { $strs =& $terms; } foreach ( $object_terms as $object_term ) { // If term is an int, check against term_ids only. if ( $ints && in_array( $object_term->term_id, $ints, true ) ) { return true; } if ( $strs ) { // Only check numeric strings against term_id, to avoid false matches due to type juggling. $numeric_strs = array_map( 'intval', array_filter( $strs, 'is_numeric' ) ); if ( in_array( $object_term->term_id, $numeric_strs, true ) ) { return true; } if ( in_array( $object_term->name, $strs, true ) ) { return true; } if ( in_array( $object_term->slug, $strs, true ) ) { return true; } } } return false; } /** * Determines if the given object type is associated with the given taxonomy. * * @since 3.0.0 * * @param string $object_type Object type string. * @param string $taxonomy Single taxonomy name. * @return bool True if object is associated with the taxonomy, otherwise false. */ function is_object_in_taxonomy( $object_type, $taxonomy ) { $taxonomies = get_object_taxonomies( $object_type ); if ( empty( $taxonomies ) ) { return false; } return in_array( $taxonomy, $taxonomies, true ); } /** * Gets an array of ancestor IDs for a given object. * * @since 3.1.0 * @since 4.1.0 Introduced the `$resource_type` argument. * * @param int $object_id Optional. The ID of the object. Default 0. * @param string $object_type Optional. The type of object for which we'll be retrieving * ancestors. Accepts a post type or a taxonomy name. Default empty. * @param string $resource_type Optional. Type of resource $object_type is. Accepts 'post_type' * or 'taxonomy'. Default empty. * @return int[] An array of IDs of ancestors from lowest to highest in the hierarchy. */ function get_ancestors( $object_id = 0, $object_type = '', $resource_type = '' ) { $object_id = (int) $object_id; $ancestors = array(); if ( empty( $object_id ) ) { /** This filter is documented in wp-includes/taxonomy.php */ return apply_filters( 'get_ancestors', $ancestors, $object_id, $object_type, $resource_type ); } if ( ! $resource_type ) { if ( is_taxonomy_hierarchical( $object_type ) ) { $resource_type = 'taxonomy'; } elseif ( post_type_exists( $object_type ) ) { $resource_type = 'post_type'; } } if ( 'taxonomy' === $resource_type ) { $term = get_term( $object_id, $object_type ); while ( ! is_wp_error( $term ) && ! empty( $term->parent ) && ! in_array( $term->parent, $ancestors, true ) ) { $ancestors[] = (int) $term->parent; $term = get_term( $term->parent, $object_type ); } } elseif ( 'post_type' === $resource_type ) { $ancestors = get_post_ancestors( $object_id ); } /** * Filters a given object's ancestors. * * @since 3.1.0 * @since 4.1.1 Introduced the `$resource_type` parameter. * * @param int[] $ancestors An array of IDs of object ancestors. * @param int $object_id Object ID. * @param string $object_type Type of object. * @param string $resource_type Type of resource $object_type is. */ return apply_filters( 'get_ancestors', $ancestors, $object_id, $object_type, $resource_type ); } /** * Returns the term's parent's term ID. * * @since 3.1.0 * * @param int $term_id Term ID. * @param string $taxonomy Taxonomy name. * @return int|false Parent term ID on success, false on failure. */ function wp_get_term_taxonomy_parent_id( $term_id, $taxonomy ) { $term = get_term( $term_id, $taxonomy ); if ( ! $term || is_wp_error( $term ) ) { return false; } return (int) $term->parent; } /** * Checks the given subset of the term hierarchy for hierarchy loops. * Prevents loops from forming and breaks those that it finds. * * Attached to the {@see 'wp_update_term_parent'} filter. * * @since 3.1.0 * * @param int $parent `term_id` of the parent for the term we're checking. * @param int $term_id The term we're checking. * @param string $taxonomy The taxonomy of the term we're checking. * @return int The new parent for the term. */ function wp_check_term_hierarchy_for_loops( $parent, $term_id, $taxonomy ) { // Nothing fancy here - bail. if ( ! $parent ) { return 0; } // Can't be its own parent. if ( $parent === $term_id ) { return 0; } // Now look for larger loops. $loop = wp_find_hierarchy_loop( 'wp_get_term_taxonomy_parent_id', $term_id, $parent, array( $taxonomy ) ); if ( ! $loop ) { return $parent; // No loop. } // Setting $parent to the given value causes a loop. if ( isset( $loop[ $term_id ] ) ) { return 0; } // There's a loop, but it doesn't contain $term_id. Break the loop. foreach ( array_keys( $loop ) as $loop_member ) { wp_update_term( $loop_member, $taxonomy, array( 'parent' => 0 ) ); } return $parent; } /** * Determines whether a taxonomy is considered "viewable". * * @since 5.1.0 * * @param string|WP_Taxonomy $taxonomy Taxonomy name or object. * @return bool Whether the taxonomy should be considered viewable. */ function is_taxonomy_viewable( $taxonomy ) { if ( is_scalar( $taxonomy ) ) { $taxonomy = get_taxonomy( $taxonomy ); if ( ! $taxonomy ) { return false; } } return $taxonomy->publicly_queryable; } /** * Sets the last changed time for the 'terms' cache group. * * @since 5.0.0 */ function wp_cache_set_terms_last_changed() { wp_cache_set( 'last_changed', microtime(), 'terms' ); } /** * Aborts calls to term meta if it is not supported. * * @since 5.0.0 * * @param mixed $check Skip-value for whether to proceed term meta function execution. * @return mixed Original value of $check, or false if term meta is not supported. */ function wp_check_term_meta_support_prefilter( $check ) { if ( get_option( 'db_version' ) < 34370 ) { return false; } return $check; }