Menu Adam R Brown

WP hooks navigation: Home/browseActions indexFilters index

Source View: delete_usermeta

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

Line Code
2224      $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
2225
2226      if ( is_array($meta_value) || is_object($meta_value) )
2227           $meta_value = serialize($meta_value);
2228      $meta_value = trim( $meta_value );
2229
2230      $cur = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
2231
2232      if ( $cur && $cur->umeta_id )
2233           do_action( 'delete_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
2234
2235      if ( ! empty($meta_value) )
2236           $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s AND meta_value = %s", $user_id, $meta_key, $meta_value) );
2237      else
2238           $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
2239
2240      clean_user_cache( $user_id );
2241      wp_cache_delete( $user_id, 'user_meta' );
2242