    public static function activate($id)
    {
        $act = Db::query(
            sprintf(
                "UPDATE `user` SET `status` = '1' WHERE `id` = '%d'",
                Typo::int($id)
            )
        );
        if ($act) {
            return true;
        } else {
            return false;
        }
    }
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.