Menu Adam R Brown

WP hooks navigation: Home/browseActions indexFilters index

Source View: get_{$meta_type}_metadata

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

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

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
561       *
562       * @param mixed  $value     The value to return, either a single metadata value or an array
563       *                          of values depending on the value of `$single`. Default null.
564       * @param int    $object_id ID of the object metadata is for.
565       * @param string $meta_key  Metadata key.
566       * @param bool   $single    Whether to return only the first value of the specified `$meta_key`.
567       * @param string $meta_type Type of object metadata is for. Accepts 'post', 'comment', 'term', 'user',
568       *                          or any other object type with an associated meta table.
569       */
570      $check = apply_filters( "get_{$meta_type}_metadata", null, $object_id, $meta_key, $single, $meta_type );
571      if ( null !== $check ) {
572           if ( $single && is_array( $check ) ) {
573                return $check[0];
574           } else {
575                return $check;
576           }
577      }
578
579      $meta_cache = wp_cache_get( $object_id, $meta_type . '_meta' );
 
Line Code
674           return false;
675      }
676
677      $object_id = absint( $object_id );
678      if ( ! $object_id ) {
679           return false;
680      }
681
682      /** This filter is documented in wp-includes/meta.php */
683      $check = apply_filters( "get_{$meta_type}_metadata", null, $object_id, $meta_key, true, $meta_type );
684      if ( null !== $check ) {
685           return (bool) $check;
686      }
687
688      $meta_cache = wp_cache_get( $object_id, $meta_type . '_meta' );
689
690      if ( ! $meta_cache ) {
691           $meta_cache = update_meta_cache( $meta_type, array( $object_id ) );
692           $meta_cache = $meta_cache[ $object_id ];