Source View: updated_{$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
262            * object type (comment, post, term, or user).
263            *
264            * @since 2.9.0
265            *
266            * @param int    $meta_id    ID of updated metadata entry.
267            * @param int    $object_id  Object ID.
268            * @param string $meta_key   Meta key.
269            * @param mixed  $meta_value Meta value.
270            */
271           do_action( "updated_{$meta_type}_meta", $meta_id, $object_id, $meta_key, $_meta_value );
272
273           if ( 'post' == $meta_type ) {
274                /**
275                 * Fires immediately after updating a post's metadata.
276                 *
277                 * @since 2.9.0
278                 *
279                 * @param int    $meta_id    ID of updated metadata entry.
280                 * @param int    $object_id  Object ID.
 
Line Code
708           // Run the update query, all fields in $data are %s, $where is a %d.
709           $result = $wpdb->update( $table, $data, $where, '%s', '%d' );
710           if ( ! $result )
711                return false;
712
713           // Clear the caches.
714           wp_cache_delete($object_id, $meta_type . '_meta');
715
716           /** This action is documented in wp-includes/meta.php */
717           do_action( "updated_{$meta_type}_meta", $meta_id, $object_id, $meta_key, $_meta_value );
718
719           if ( 'post' == $meta_type ) {
720                /** This action is documented in wp-includes/meta.php */
721                do_action( 'updated_postmeta', $meta_id, $object_id, $meta_key, $meta_value );
722           }
723
724           return true;
725      }
726