Ticket #29070: 29070.diff

src/wp-includes/plugin.php

@@ -105 +105 @@
  *                  return value.
  */
 function has_filter($tag, $function_to_check = false) {
-        global $wp_filter;
+        $wp_filter = $GLOBALS['wp_filter'];
 
         $has = ! empty( $wp_filter[ $tag ] );