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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_Auth
  * @subpackage Storage
  * @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_Auth_Storage_Interface
  */
 // require_once 'Zend/Auth/Storage/Interface.php';
 
 
 /**
  * @see Zend_Session
  */
 // require_once 'Zend/Session.php';
 
 
 /**
  * @category   Zend
  * @package    Zend_Auth
  * @subpackage Storage
  * @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_Auth_Storage_Session implements Zend_Auth_Storage_Interface
 {
     /**
      * Default session namespace
      */
     const NAMESPACE_DEFAULT = 'Zend_Auth';
 
     /**
      * Default session object member name
      */
     const MEMBER_DEFAULT = 'storage';
 
     /**
      * Object to proxy $_SESSION storage
      *
      * @var Zend_Session_Namespace
      */
     protected $_session;
 
     /**
      * Session namespace
      *
      * @var mixed
      */
     protected $_namespace;
 
     /**
      * Session object member
      *
      * @var mixed
      */
     protected $_member;
 
     /**
      * Sets session storage options and initializes session namespace object
      *
      * @param mixed $namespace
      * @param mixed $member
      */
     public function __construct($namespace = self::NAMESPACE_DEFAULT, $member = self::MEMBER_DEFAULT)
     {
         $this->_namespace = $namespace;
         $this->_member    = $member;
         $this->_session   = new Zend_Session_Namespace($this->_namespace);
     }
 
     /**
      * Returns the session namespace
      *
      * @return string
      */
     public function getNamespace()
     {
         return $this->_namespace;
     }
 
     /**
      * Returns the name of the session object member
      *
      * @return string
      */
     public function getMember()
     {
         return $this->_member;
     }
 
     /**
      * Defined by Zend_Auth_Storage_Interface
      *
      * @return boolean
      */
     public function isEmpty()
     {
         return !isset($this->_session->{$this->_member});
     }
 
     /**
      * Defined by Zend_Auth_Storage_Interface
      *
      * @return mixed
      */
     public function read()
     {
         return $this->_session->{$this->_member};
     }
 
     /**
      * Defined by Zend_Auth_Storage_Interface
      *
      * @param  mixed $contents
      * @return void
      */
     public function write($contents)
     {
         $this->_session->{$this->_member} = $contents;
     }
 
     /**
      * Defined by Zend_Auth_Storage_Interface
      *
      * @return void
      */
     public function clear()
     {
         unset($this->_session->{$this->_member});
     }
 }