Source View: deleted_{$meta_type}_meta

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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: 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.

Source View

This hook occurs 2 times in this file.

Line Code
419       * object type (comment, post, or user).
420       *
421       * @since 2.9.0
422       *
423       * @param array  $meta_ids   An array of deleted metadata entry IDs.
424       * @param int    $object_id  Object ID.
425       * @param string $meta_key   Meta key.
426       * @param mixed  $meta_value Meta value.
427       */
428      do_action( "deleted_{$meta_type}_meta", $meta_ids, $object_id, $meta_key, $_meta_value );
429
430      // Old-style action.
431      if ( 'post' == $meta_type ) {
432           /**
433            * Fires immediately after deleting metadata for a post.
434            *
435            * @since 2.9.0
436            *
437            * @param array $meta_ids An array of deleted post metadata entry IDs.
 
Line Code
742           }
743
744           // Run the query, will return true if deleted, false otherwise
745           $result = (bool) $wpdb->delete( $table, array( $id_column => $meta_id ) );
746
747           // Clear the caches.
748           wp_cache_delete($object_id, $meta_type . '_meta');
749
750           /** This action is documented in wp-includes/meta.php */
751           do_action( "deleted_{$meta_type}_meta", (array) $meta_id, $object_id, $meta->meta_key, $meta->meta_value );
752
753           // Old-style action.
754           if ( 'post' == $meta_type || 'comment' == $meta_type ) {
755                /**
756                 * Fires immediately after deleting post or comment metadata of a specific type.
757                 *
758                 * The dynamic portion of the hook, `$meta_type`, refers to the meta
759                 * object type (post or comment).
760                 *