+/**
+ * Returns if a menu item is valid. Bug #13958
+ *
+ * @since 3.2.0
+ * @access private
+ *
+ * @param object $menu_item The menu item to check
+ * @return bool false if invalid, else true.
+ */
+function _is_valid_nav_menu_item( $item ) {
+ if ( ! empty( $item->_invalid ) )
+ return false;
+
+ return true;
+}
+