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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Validator\Constraints;
use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;
/**
* Validates that a card number belongs to a specified scheme.
*
* @see http://en.wikipedia.org/wiki/Bank_card_number
* @see http://www.regular-expressions.info/creditcard.html
* @author Tim Nagel <t.nagel@infinite.net.au>
*/
class CardSchemeValidator extends ConstraintValidator
{
protected $schemes = array(
/**
* American Express card numbers start with 34 or 37 and have 15 digits.
*/
'AMEX' => array(
'/^3[47][0-9]{13}$/'
),
/**
* China UnionPay cards start with 62 and have between 16 and 19 digits.
* Please note that these cards do not follow Luhn Algorithm as a checksum.
*/
'CHINA_UNIONPAY' => array(
'/^62[0-9]{14,17}$/'
),
/**
* Diners Club card numbers begin with 300 through 305, 36 or 38. All have 14 digits.
* There are Diners Club cards that begin with 5 and have 16 digits.
* These are a joint venture between Diners Club and MasterCard, and should be processed like a MasterCard.
*/
'DINERS' => array(
'/^3(?:0[0-5]|[68][0-9])[0-9]{11}$/',
),
/**
* Discover card numbers begin with 6011, 622126 through 622925, 644 through 649 or 65.
* All have 16 digits
*/
'DISCOVER' => array(
'/^6011[0-9]{12}$/',
'/^64[4-9][0-9]{13}$/',
'/^65[0-9]{14}$/',
'/^622(12[6-9]|1[3-9][0-9]|[2-8][0-9][0-9]|91[0-9]|92[0-5])[0-9]{10}$/'
),
/**
* InstaPayment cards begin with 637 through 639 and have 16 digits
*/
'INSTAPAYMENT' => array(
'/^63[7-9][0-9]{13}$/'
),
/**
* JCB cards beginning with 2131 or 1800 have 15 digits.
* JCB cards beginning with 35 have 16 digits.
*/
'JCB' => array(
'/^(?:2131|1800|35[0-9]{3})[0-9]{11}$/'
),
/**
* Laser cards begin with either 6304, 6706, 6709 or 6771 and have between 16 and 19 digits
*/
'LASER' => array(
'/^(6304|670[69]|6771)[0-9]{12,15}$/'
),
/**
* Maestro cards begin with either 5018, 5020, 5038, 5893, 6304, 6759, 6761, 6762, 6763 or 0604
* They have between 12 and 19 digits
*/
'MAESTRO' => array(
'/^(5018|5020|5038|6304|6759|6761|676[23]|0604)[0-9]{8,15}$/'
),
/**
* All MasterCard numbers start with the numbers 51 through 55. All have 16 digits.
*/
'MASTERCARD' => array(
'/^5[1-5][0-9]{14}$/'
),
/**
* All Visa card numbers start with a 4. New cards have 16 digits. Old cards have 13.
*/
'VISA' => array(
'/^4([0-9]{12}|[0-9]{15})$/'
),
);
/**
* Validates a creditcard belongs to a specified scheme.
*
* @param mixed $value
* @param Constraint $constraint
*/
public function validate($value, Constraint $constraint)
{
if (null === $value || '' === $value) {
return;
}
if (!is_numeric($value)) {
$this->context->addViolation($constraint->message);
return;
}
$schemes = array_flip((array) $constraint->schemes);
$schemeRegexes = array_intersect_key($this->schemes, $schemes);
foreach ($schemeRegexes as $regexes) {
foreach ($regexes as $regex) {
if (preg_match($regex, $value)) {
return;
}
}
}
$this->context->addViolation($constraint->message);
}
}