Noherczeg\Breadcrumb\Breadcrumb::checkAppendArgs PHP Метод

    private function checkAppendArgs($raw_name, $side)
    {
        if (!is_string($raw_name) && !is_int($raw_name) && !in_array($side, array('left', 'right'))) {
            throw new InvalidArgumentException("Wrong type of arguments provided!");
        }
    }