Ticket #40947: 40947.diff

src/wp-includes/nav-menu.php

@@ -593 +593 @@
         }
 
         static $fetched = array();
+        global $_menu_item_sort_prop;
 
         $items = get_objects_in_term( $menu->term_id, 'nav_menu' );
         if ( is_wp_error( $items ) ) {
@@ -603 +604 @@
                 'post_status' => 'publish', 'output' => ARRAY_A, 'output_key' => 'menu_order', 'nopaging' => true );
         $args = wp_parse_args( $args, $defaults );
         $args['include'] = $items;
+        $_menu_item_sort_prop = $args['output_key'];
 
         if ( ! empty( $items ) ) {
                 $items = get_posts( $args );