CardSchemeValidator.php in Plug 7

Namespace

Symfony\Component\Validator\Constraints

File

lib/Symfony/validator/Symfony/Component/Validator/Constraints/CardSchemeValidator.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[e-mail]>
 *
 * 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;
use Symfony\Component\Validator\Exception\UnexpectedTypeException;

/**
 * Validates that a card number belongs to a specified scheme.
 *
 * @author Tim Nagel <[e-mail]>
 * @author Bernhard Schussek <[e-mail]>
 *
 * @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}$/',
      '/^([56-69][0-9]{4})[0-9]{6,13}$/',
    ),
    // 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 $constraint) {
    if (!$constraint instanceof CardScheme) {
      throw new UnexpectedTypeException($constraint, __NAMESPACE__ . '\\CardScheme');
    }
    if (null === $value || '' === $value) {
      return;
    }
    if (!is_numeric($value)) {
      $this
        ->buildViolation($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;
        }
      }
    }
    $this
      ->buildViolation($constraint->message)
      ->setParameter('{{ value }}', $this
      ->formatValue($value))
      ->setCode(CardScheme::INVALID_FORMAT_ERROR)
      ->addViolation();
  }

}

Classes

Name	Description
CardSchemeValidator	Validates that a card number belongs to a specified scheme.