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+<?php
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+/**
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+ * Zend Framework
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+ *
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+ * LICENSE
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+ *
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+ * This source file is subject to the new BSD license that is bundled
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+ * with this package in the file LICENSE.txt.
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+ * It is also available through the world-wide-web at this URL:
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+ * http://framework.zend.com/license/new-bsd
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+ * If you did not receive a copy of the license and are unable to
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+ * obtain it through the world-wide-web, please send an email
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+ * to license@zend.com so we can send you a copy immediately.
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+ *
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+ * @category Zend
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+ * @package Zend_Validate
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+ * @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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+ * @license http://framework.zend.com/license/new-bsd New BSD License
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+ * @version $Id:$
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+ */
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+
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+/**
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+ * @see Zend_Validate_Abstract
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+ */
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+require_once 'Zend/Validate/Abstract.php';
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+
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+/**
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+ * @category Zend
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+ * @package Zend_Validate
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+ * @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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+ * @license http://framework.zend.com/license/new-bsd New BSD License
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+ */
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+class Zend_Validate_CreditCard extends Zend_Validate_Abstract
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+{
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+ /**
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+ * Detected CCI list
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+ *
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+ * @var string
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+ */
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+ const ALL = 'All';
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+ const AMERICAN_EXPRESS = 'American_Express';
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+ const UNIONPAY = 'Unionpay';
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+ const DINERS_CLUB = 'Diners_Club';
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+ const DINERS_CLUB_US = 'Diners_Club_US';
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+ const DISCOVER = 'Discover';
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+ const JCB = 'JCB';
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+ const LASER = 'Laser';
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+ const MAESTRO = 'Maestro';
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+ const MASTERCARD = 'Mastercard';
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+ const SOLO = 'Solo';
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+ const VISA = 'Visa';
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+
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+ const CHECKSUM = 'creditcardChecksum';
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+ const CONTENT = 'creditcardContent';
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+ const INVALID = 'creditcardInvalid';
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+ const LENGTH = 'creditcardLength';
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+ const PREFIX = 'creditcardPrefix';
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+ const SERVICE = 'creditcardService';
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+ const SERVICEFAILURE = 'creditcardServiceFailure';
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+
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+ /**
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+ * Validation failure message template definitions
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+ *
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+ * @var array
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+ */
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+ protected $_messageTemplates = array(
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+ self::CHECKSUM => "Luhn algorithm (mod-10 checksum) failed on '%value%'",
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+ self::CONTENT => "'%value%' must contain only digits",
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+ self::INVALID => "Invalid type given, value should be a string",
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+ self::LENGTH => "'%value%' contains a invalid amount of digits",
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+ self::PREFIX => "'%value%' is not from an allowed institute",
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+ self::SERVICE => "Validation of '%value%' has been failed by the service",
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+ self::SERVICEFAILURE => "The service returned a failure while validating '%value%'"
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+ );
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+
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+ /**
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+ * List of allowed CCV lengths
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+ *
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+ * @var array
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+ */
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+ protected $_cardLength = array(
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+ self::AMERICAN_EXPRESS => array(15),
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+ self::DINERS_CLUB => array(14),
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+ self::DINERS_CLUB_US => array(16),
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+ self::DISCOVER => array(16),
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+ self::JCB => array(16),
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+ self::LASER => array(16, 17, 18, 19),
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+ self::MAESTRO => array(12, 13, 14, 15, 16, 17, 18, 19),
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+ self::MASTERCARD => array(16),
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+ self::SOLO => array(16, 18, 19),
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+ self::UNIONPAY => array(16, 17, 18, 19),
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+ self::VISA => array(16),
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+ );
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+
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+ /**
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+ * List of accepted CCV provider tags
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+ *
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+ * @var array
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+ */
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+ protected $_cardType = array(
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+ self::AMERICAN_EXPRESS => array('34', '37'),
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+ self::DINERS_CLUB => array('300', '301', '302', '303', '304', '305', '36'),
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+ self::DINERS_CLUB_US => array('54', '55'),
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+ self::DISCOVER => array('6011', '622126', '622127', '622128', '622129', '62213',
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+ '62214', '62215', '62216', '62217', '62218', '62219',
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+ '6222', '6223', '6224', '6225', '6226', '6227', '6228',
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+ '62290', '62291', '622920', '622921', '622922', '622923',
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+ '622924', '622925', '644', '645', '646', '647', '648',
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+ '649', '65'),
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+ self::JCB => array('3528', '3529', '353', '354', '355', '356', '357', '358'),
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+ self::LASER => array('6304', '6706', '6771', '6709'),
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+ self::MAESTRO => array('5018', '5020', '5038', '6304', '6759', '6761', '6763'),
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+ self::MASTERCARD => array('51', '52', '53', '54', '55'),
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+ self::SOLO => array('6334', '6767'),
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+ self::UNIONPAY => array('622126', '622127', '622128', '622129', '62213', '62214',
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+ '62215', '62216', '62217', '62218', '62219', '6222', '6223',
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+ '6224', '6225', '6226', '6227', '6228', '62290', '62291',
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+ '622920', '622921', '622922', '622923', '622924', '622925'),
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+ self::VISA => array('4'),
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+ );
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+
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+ /**
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+ * CCIs which are accepted by validation
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+ *
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+ * @var array
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+ */
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+ protected $_type = array();
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+
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+ /**
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+ * Service callback for additional validation
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+ *
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+ * @var callback
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+ */
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+ protected $_service;
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+
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+ /**
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+ * Constructor
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+ *
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+ * @param string|array $type OPTIONAL Type of CCI to allow
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+ */
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+ public function __construct($options = array())
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+ {
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+ if ($options instanceof Zend_Config) {
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+ $options = $options->toArray();
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+ } else if (!is_array($options)) {
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+ $options = func_get_args();
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+ $temp['type'] = array_shift($options);
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+ if (!empty($options)) {
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+ $temp['service'] = array_shift($options);
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+ }
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+
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+ $options = $temp;
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+ }
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+
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+ if (!array_key_exists('type', $options)) {
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+ $options['type'] = self::ALL;
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+ }
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+
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+ $this->setType($options['type']);
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+ if (array_key_exists('service', $options)) {
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+ $this->setService($options['service']);
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+ }
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+ }
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+
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+ /**
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+ * Returns a list of accepted CCIs
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+ *
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+ * @return array
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+ */
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+ public function getType()
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+ {
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+ return $this->_type;
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+ }
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+
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+ /**
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+ * Sets CCIs which are accepted by validation
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+ *
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+ * @param string|array $type Type to allow for validation
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+ * @return Zend_Validate_CreditCard Provides a fluid interface
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+ */
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+ public function setType($type)
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+ {
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+ $this->_type = array();
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+ return $this->addType($type);
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+ }
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+
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+ /**
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+ * Adds a CCI to be accepted by validation
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+ *
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+ * @param string|array $type Type to allow for validation
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+ * @return Zend_Validate_CreditCard Provides a fluid interface
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+ */
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+ public function addType($type)
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+ {
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+ if (is_string($type)) {
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+ $type = array($type);
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+ }
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+
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+ foreach($type as $typ) {
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+ if (defined('self::' . strtoupper($typ)) && !in_array($typ, $this->_type)) {
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+ $this->_type[] = $typ;
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+ }
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+
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+ if (($typ == self::ALL)) {
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+ $this->_type = array_keys($this->_cardLength);
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+ }
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+ }
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+
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+ return $this;
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+ }
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+
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+ /**
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+ * Returns the actual set service
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+ *
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+ * @return callback
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+ */
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+ public function getService()
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+ {
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+ return $this->_service;
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+ }
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+
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+ /**
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+ * Sets a new callback for service validation
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+ *
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+ * @param unknown_type $service
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+ */
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+ public function setService($service)
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+ {
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+ if (!is_callable($service)) {
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+ require_once 'Zend/Validate/Exception.php';
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+ throw new Zend_Validate_Exception('Invalid callback given');
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+ }
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+
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+ $this->_service = $service;
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+ return $this;
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+ }
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+
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+ /**
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+ * Defined by Zend_Validate_Interface
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+ *
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+ * Returns true if and only if $value follows the Luhn algorithm (mod-10 checksum)
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+ *
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+ * @param string $value
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+ * @return boolean
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+ */
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+ public function isValid($value)
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+ {
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+ $this->_setValue($value);
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+
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+ if (!is_string($value)) {
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+ $this->_error(self::INVALID, $value);
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+ return false;
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+ }
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+
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+ if (!ctype_digit($value)) {
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+ $this->_error(self::CONTENT, $value);
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+ return false;
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+ }
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+
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+ $length = strlen($value);
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+ $types = $this->getType();
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+ $found = false;
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+ foreach ($types as $type) {
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+ if (in_array($length, $this->_cardLength[$type])) {
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+ foreach ($this->_cardType[$type] as $prefix) {
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+ if (substr($value, 0, strlen($prefix)) == $prefix) {
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+ $found = true;
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+ break;
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+ }
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+ }
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+ }
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+ }
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+
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+ if ($found == false) {
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+ if (!in_array($length, $this->_cardLength[$type])) {
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+ $this->_error(self::LENGTH, $value);
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+ return false;
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+ } else {
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+ $this->_error(self::PREFIX, $value);
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+ return false;
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+ }
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+ }
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+
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+ $sum = 0;
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+ $weight = 2;
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+
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+ for ($i = $length - 2; $i >= 0; $i--) {
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+ $digit = $weight * $value[$i];
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+ $sum += floor($digit / 10) + $digit % 10;
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+ $weight = $weight % 2 + 1;
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+ }
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+
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+ if ((10 - $sum % 10) % 10 != $value[$length - 1]) {
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+ $this->_error(self::CHECKSUM, $value);
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+ return false;
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+ }
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+
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+ if (!empty($this->_service)) {
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+ try {
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+ require_once 'Zend/Validate/Callback.php';
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+ $callback = new Zend_Validate_Callback($this->_service);
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+ $callback->setOptions($this->_type);
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+ if (!$callback->isValid($value)) {
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+ $this->_error(self::SERVICE, $value);
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+ return false;
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+ }
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+ } catch (Zend_Exception $e) {
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+ $this->_error(self::SERVICEFAILURE, $value);
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+ return false;
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+ }
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+ }
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+
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+ return true;
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+ }
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+}
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thomas