WP hooks navigation: Home/browse • Actions index • Filters index
To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 1216 | // Use wp_delete_post (via wp_delete_post_revision) again. Ensures any meta/misplaced data gets cleaned up. |
| 1217 | foreach ( $revision_ids as $revision_id ) |
| 1218 | wp_delete_post_revision( $revision_id ); |
| 1219 | |
| 1220 | // Point all attachments to this post up one level |
| 1221 | $wpdb->update( $wpdb->posts, $parent_data, $parent_where + array( 'post_type' => 'attachment' ) ); |
| 1222 | |
| 1223 | $comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d", $postid )); |
| 1224 | if ( ! empty($comment_ids) ) { |
| 1225 | do_action( 'delete_comment', $comment_ids ); |
| 1226 | $in_comment_ids = "'" . implode("', '", $comment_ids) . "'"; |
| 1227 | $wpdb->query( "DELETE FROM $wpdb->comments WHERE comment_ID IN($in_comment_ids)" ); |
| 1228 | do_action( 'deleted_comment', $comment_ids ); |
| 1229 | } |
| 1230 | |
| 1231 | $post_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $postid )); |
| 1232 | if ( !empty($post_meta_ids) ) { |
| 1233 | do_action( 'delete_postmeta', $post_meta_ids ); |
| 1234 | $in_post_meta_ids = "'" . implode("', '", $post_meta_ids) . "'"; |
| Line | Code |
| 2852 | do_action('delete_attachment', $post_id); |
| 2853 | |
| 2854 | wp_delete_object_term_relationships($post_id, array('category', 'post_tag')); |
| 2855 | wp_delete_object_term_relationships($post_id, get_object_taxonomies($post->post_type)); |
| 2856 | |
| 2857 | $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->postmeta WHERE meta_key = '_thumbnail_id' AND meta_value = %d", $post_id )); |
| 2858 | |
| 2859 | $comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d", $post_id )); |
| 2860 | if ( ! empty($comment_ids) ) { |
| 2861 | do_action( 'delete_comment', $comment_ids ); |
| 2862 | $in_comment_ids = "'" . implode("', '", $comment_ids) . "'"; |
| 2863 | $wpdb->query( "DELETE FROM $wpdb->comments WHERE comment_ID IN($in_comment_ids)" ); |
| 2864 | do_action( 'deleted_comment', $comment_ids ); |
| 2865 | } |
| 2866 | |
| 2867 | $post_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $post_id )); |
| 2868 | if ( !empty($post_meta_ids) ) { |
| 2869 | do_action( 'delete_postmeta', $post_meta_ids ); |
| 2870 | $in_post_meta_ids = "'" . implode("', '", $post_meta_ids) . "'"; |