--- /dev/null
+<?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\Context\ExecutionContextInterface;
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\ConstraintValidator;
+use Symfony\Component\Validator\Exception\UnexpectedTypeException;
+
+/**
+ * Validates that a card number belongs to a specified scheme.
+ *
+ * @author Tim Nagel <t.nagel@infinite.net.au>
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ *
+ * @see http://en.wikipedia.org/wiki/Bank_card_number
+ * @see http://www.regular-expressions.info/creditcard.html
+ * @see http://www.barclaycard.co.uk/business/files/Ranges_and_Rules_September_2014.pdf
+ */
+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}$/',
+ ),
+ // Maestro international cards begin with 675900..675999 and have between 12 and 19 digits.
+ // Maestro UK cards begin with either 500000..509999 or 560000..699999 and have between 12 and 19 digits.
+ 'MAESTRO' => array(
+ '/^(6759[0-9]{2})[0-9]{6,13}$/',
+ '/^(50[0-9]{4})[0-9]{6,13}$/',
+ '/^5[6-9][0-9]{10,17}$/',
+ '/^6[0-9]{11,18}$/',
+ ),
+ // All MasterCard numbers start with the numbers 51 through 55. All have 16 digits.
+ // October 2016 MasterCard numbers can also start with 222100 through 272099.
+ 'MASTERCARD' => array(
+ '/^5[1-5][0-9]{14}$/',
+ '/^2(22[1-9][0-9]{12}|2[3-9][0-9]{13}|[3-6][0-9]{14}|7[0-1][0-9]{13}|720[0-9]{12})$/',
+ ),
+ // All Visa card numbers start with a 4. New cards have 16 digits. Old cards have 13.
+ 'VISA' => array(
+ '/^4([0-9]{12}|[0-9]{15})$/',
+ ),
+ );
+
+ /**
+ * Validates a creditcard belongs to a specified scheme.
+ *
+ * @param mixed $value
+ * @param Constraint $constraint
+ */
+ public function validate($value, Constraint $constraint)
+ {
+ if (!$constraint instanceof CardScheme) {
+ throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\CardScheme');
+ }
+
+ if (null === $value || '' === $value) {
+ return;
+ }
+
+ if (!is_numeric($value)) {
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->message)
+ ->setParameter('{{ value }}', $this->formatValue($value))
+ ->setCode(CardScheme::NOT_NUMERIC_ERROR)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->message)
+ ->setParameter('{{ value }}', $this->formatValue($value))
+ ->setCode(CardScheme::NOT_NUMERIC_ERROR)
+ ->addViolation();
+ }
+
+ 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, $value)) {
+ return;
+ }
+ }
+ }
+
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->message)
+ ->setParameter('{{ value }}', $this->formatValue($value))
+ ->setCode(CardScheme::INVALID_FORMAT_ERROR)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->message)
+ ->setParameter('{{ value }}', $this->formatValue($value))
+ ->setCode(CardScheme::INVALID_FORMAT_ERROR)
+ ->addViolation();
+ }
+ }
+}