<?php class Doctrine_Validator_Creditcard { /** * @link http://www.owasp.org/index.php/OWASP_Validation_Regex_Repository * @param Doctrine_Record $record * @param string $key * @param mixed $value * @param string $args * @return boolean */ public function validate(Doctrine_Record $record, $key, $value, $args) { return preg_match('#^((4\d{3})|(5[1-5]\d{2})|(6011)|(7\d{3}))-?\d{4}-?\d{4}-?\d{4}|3[4,7]\d{13}$#', $value); } }