Ticket #35658: 35658.21.diff

src/wp-includes/meta.php

@@ -1036 +1036 @@
         $has_old_sanitize_cb = false;
 
         if ( is_callable( $passed_args[0] ) ) {
+                $args = array();
                 $args['sanitize_callback'] = $passed_args[0];
                 $has_old_sanitize_cb = true;
         } else {