    public static function isHadParent($parent = '', $menuid = '')
    {
        if (isset($menuid)) {
            $where = " AND `menuid` = '{$menuid}'";
        } else {
            $where = '';
        }
        if (isset($parent) && $parent != '') {
            $parent = " `parent` = '{$parent}'";
        } else {
            $parent = '1';
        }
        $sql = sprintf('SELECT * FROM `menus` WHERE %s %s', $parent, $where);
        $menu = Db::result($sql);

        return $menu;
    }
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.