<?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); } }