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
2283      $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
2284
2285      if ( is_array($meta_value) || is_object($meta_value) )
2286           $meta_value = serialize($meta_value);
2287      $meta_value = trim( $meta_value );
2288
2289      $cur = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
2290
2291      if ( $cur && $cur->umeta_id )
2292           do_action( 'delete_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
2293
2294      if ( ! empty($meta_value) )
2295           $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) );
2296      else
2297           $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
2298
2299      clean_user_cache( $user_id );
2300      wp_cache_delete( $user_id, 'user_meta' );
2301