Ticket #7216: remove_filter.diff

wp-includes/plugin.php

@@ -192 +192 @@
  * @return boolean Whether the function existed before it was removed.
  */
 function remove_filter($tag, $function_to_remove, $priority = 10, $accepted_args = 1) {
+        if ( 'all' == $function_to_remove && isset($GLOBALS['wp_filter'][$tag]) ) {
+                unset($GLOBALS['wp_filter'][$tag]);
+                unset($GLOBALS['merged_filters'][$tag]);
+                return true;
+        }
+
         $function_to_remove = _wp_filter_build_unique_id($tag, $function_to_remove, $priority);
 
         $r = isset($GLOBALS['wp_filter'][$tag][$priority][$function_to_remove]);