App\Libraries\Utils::getCardType PHP Метод

    public static function getCardType($number)
    {
        $number = preg_replace('/[^\\d]/', '', $number);
        if (preg_match('/^3[47][0-9]{13}$/', $number)) {
            return 'American Express';
        } elseif (preg_match('/^3(?:0[0-5]|[68][0-9])[0-9]{11}$/', $number)) {
            return 'Diners Club';
        } elseif (preg_match('/^6(?:011|5[0-9][0-9])[0-9]{12}$/', $number)) {
            return 'Discover';
        } elseif (preg_match('/^(?:2131|1800|35\\d{3})\\d{11}$/', $number)) {
            return 'JCB';
        } elseif (preg_match('/^5[1-5][0-9]{14}$/', $number)) {
            return 'MasterCard';
        } elseif (preg_match('/^4[0-9]{12}(?:[0-9]{3})?$/', $number)) {
            return 'Visa';
        } else {
            return 'Unknown';
        }
    }