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 <?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 license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Validate
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /** @see Zend_Validate_Abstract */
 // require_once 'Zend/Validate/Abstract.php';
 
 /**
  * @category   Zend
  * @package    Zend_Validate
  * @copyright  Copyright (c) 2005-2015 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      => "The two given tokens do not match",
         self::MISSING_TOKEN => 'No token was provided to match against',
     );
 
     /**
      * @var array
      */
     protected $_messageVariables = array(
         'token' => '_tokenString'
     );
 
     /**
      * Original token against which to validate
      * @var string
      */
     protected $_tokenString;
     protected $_token;
     protected $_strict = true;
 
     /**
      * Sets validator options
      *
      * @param mixed $token
      */
     public function __construct($token = null)
     {
         if ($token instanceof Zend_Config) {
             $token = $token->toArray();
         }
 
         if (is_array($token) && array_key_exists('token', $token)) {
             if (array_key_exists('strict', $token)) {
                 $this->setStrict($token['strict']);
             }
 
             $this->setToken($token['token']);
         } else if (null !== $token) {
             $this->setToken($token);
         }
     }
 
     /**
      * Retrieve token
      *
      * @return string
      */
     public function getToken()
     {
         return $this->_token;
     }
 
     /**
      * Set token against which to compare
      *
      * @param  mixed $token
      * @return Zend_Validate_Identical
      */
     public function setToken($token)
     {
         $this->_tokenString = $token;
         $this->_token       = $token;
         return $this;
     }
 
     /**
      * Returns the strict parameter
      *
      * @return boolean
      */
     public function getStrict()
     {
         return $this->_strict;
     }
 
     /**
      * Sets the strict parameter
      *
      * @param Zend_Validate_Identical
      * @return $this
      */
     public function setStrict($strict)
     {
         $this->_strict = (boolean) $strict;
         return $this;
     }
 
     /**
      * Defined by Zend_Validate_Interface
      *
      * Returns true if and only if a token has been set and the provided value
      * matches that token.
      *
      * @param  mixed $value
      * @param  array $context
      * @return boolean
      */
     public function isValid($value, $context = null)
     {
         $this->_setValue($value);
 
         if (($context !== null) && isset($context) && array_key_exists($this->getToken(), $context)) {
             $token = $context[$this->getToken()];
         } else {
             $token = $this->getToken();
         }
 
         if ($token === null) {
             $this->_error(self::MISSING_TOKEN);
             return false;
         }
 
         $strict = $this->getStrict();
         if (($strict && ($value !== $token)) || (!$strict && ($value != $token))) {
             $this->_error(self::NOT_SAME);
             return false;
         }
 
         return true;
     }
 }