<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to [email protected] so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Validate
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Identical.php 8118 2008-02-18 16:10:32Z matthew $
*/
/** Zend_Validate_Abstract */
require_once 'Zend/Validate/Abstract.php';
/**
* @category Zend
* @package Zend_Validate
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Validate_Identical extends Zend_Validate_Abstract
{
/**#@+
* Error codes
* @const string
*/
const NOT_SAME = 'notSame';
const MISSING_TOKEN = 'missingToken';
/**#@-*/
/**
* Error messages
* @var array
*/
protected $_messageTemplates = array(
self::NOT_SAME => 'Tokens do not match',
self::MISSING_TOKEN => 'No token was provided to match against',
);
/**
* Original token against which to validate
* @var string
*/
protected $_token;
/**
* Sets validator options
*
* @param string $token
* @return void
*/
public function __construct($token = null)
{
if (null !== $token) {
$this->setToken($token);
}
}
/**
* Set token against which to compare
*
* @param string $token
* @return Zend_Validate_Identical
*/
public function setToken($token)
{
$this->_token = (string) $token;
return $this;
}
/**
* Retrieve token
*
* @return string
*/
public function getToken()
{
return $this->_token;
}
/**
* Defined by Zend_Validate_Interface
*
* Returns true if and only if a token has been set and the provided value
* matches that token.
*
* @param string $value
* @return boolean
*/
public function isValid($value)
{
$this->_setValue($value);
$token = $this->getToken();
if (empty($token)) {
$this->_error(self::MISSING_TOKEN);
return false;
}
if ($value !== $token) {
$this->_error(self::NOT_SAME);
return false;
}
return true;
}
}