wp_delete_post( int $postid, bool $force_delete = false )
Trash or delete a post or page.
Description Description
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.
See also See also
- wp_delete_attachment()
- wp_trash_post()
Parameters Parameters
- $postid
-
(int) (Optional) Post ID. Default 0.
- $force_delete
-
(bool) (Optional) Whether to bypass Trash and force deletion.
Default value: false
Return Return
(WP_Post|false|null) Post data on success, false or null on failure.
More Information More Information
wp_delete_post() automatically reverts to wp_trash_post() if $force_delete is false, the post_type of $postid is page or post, $postid is not already in the trash and if that trash feature enabled (which it it is by default).
Source Source
File: wp-includes/post.php
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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 bool|null $delete Whether to go forward with deletion. * @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", $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;} |
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Changelog Changelog
| Version | Description |
|---|---|
| 1.0.0 | Introduced. |