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<?php
/**
* SessionHandler storage implementation for an external save handler defined
* via configuration parameters.
*
* Copyright 2010-2017 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @author Michael Slusarz <slusarz@horde.org>
* @category Horde
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @package SessionHandler
*/
class Horde_SessionHandler_Storage_External extends Horde_SessionHandler_Storage
{
/**
* Constructor.
*
* @param array $params Required parameters:
* <pre>
* close - (callback) See session_set_save_handler().
* destroy - (callback) See session_set_save_handler().
* gc - (callback) See session_set_save_handler().
* open - (callback) See session_set_save_handler().
* read - (callback) See session_set_save_handler().
* write - (callback) See session_set_save_handler().
* </pre>
*
* @throws InvalidArgumentException
*/
public function __construct(array $params = array())
{
foreach (array('open', 'close', 'read', 'write', 'destroy', 'gc') as $val) {
if (!isset($params[$val])) {
throw new InvalidArgumentException('Missing parameter: ' . $val);
}
}
parent::__construct($params);
}
/**
*/
public function open($save_path = null, $session_name = null)
{
return call_user_func($this->_params['open'], $save_path, $session_name);
}
/**
*/
public function close()
{
return call_user_func($this->_params['close']);
}
/**
*/
public function read($id)
{
return call_user_func($this->_params['read'], $id);
}
/**
*/
public function write($id, $session_data)
{
return call_user_func($this->_params['write'], $id, $session_data);
}
/**
*/
public function destroy($id)
{
return call_user_func($this->_params['destroy'], $id);
}
/**
*/
public function gc($maxlifetime = 300)
{
return call_user_func($this->_params['gc'], $maxlifetime);
}
/**
* Get a list of the valid session identifiers.
*
* @throws Horde_SessionHandler_Exception
*/
public function getSessionIDs()
{
throw new Horde_SessionHandler_Exception('Driver does not support listing session IDs.');
}
}
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