Source code for file /joomla/environment/sessionstorage.php
Documentation is available at sessionstorage.php
* @version $Id: session.php 6157 2007-01-03 00:22:09Z Jinx $
* @package Joomla.Framework
* @subpackage Environment
* @copyright Copyright (C) 2005 - 2007 Open Source Matters. All rights reserved.
* @license GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
// Check to ensure this file is within the rest of the framework
* Custom session storage handler for PHP
* @package Joomla.Framework
* @subpackage Environment
* @see http://www.php.net/manual/en/function.session-set-save-handler.php
* @param array $options optional parameters
* Returns a reference to a session storage handler object, only creating it
* if it doesn't already exist.
* @param name $name The session store to instantiate
* @return database A JSessionStorage object
function &getInstance($name =
'none', $options =
array())
if (!isset
($instances)) {
if (empty ($instances[$name]))
jimport('joomla.environment.sessionstorage.'.
$name);
$class =
'JSessionStorage'.
ucfirst($name);
$instances[$name] =
new $class($options);
return $instances[$name];
* Register the functions of this class with PHP's session handler
* @param array $options optional parameters
// use this object as the session handler
* Open the SessionHandler backend.
* @param string $save_path The path to the session object.
* @param string $session_name The name of the session.
* @return boolean True on success, false otherwise.
function open($save_path, $session_name)
* Close the SessionHandler backend.
* @return boolean True on success, false otherwise.
* Read the data for a particular session identifier from the
* SessionHandler backend.
* @param string $id The session identifier.
* @return string The session data.
* Write session data to the SessionHandler backend.
* @param string $id The session identifier.
* @param string $session_data The session data.
* @return boolean True on success, false otherwise.
function write($id, $session_data)
* Destroy the data for a particular session identifier in the
* SessionHandler backend.
* @param string $id The session identifier.
* @return boolean True on success, false otherwise.
* Garbage collect stale sessions from the SessionHandler backend.
* @param integer $maxlifetime The maximum age of a session.
* @return boolean True on success, false otherwise.
function gc($maxlifetime)
* Test to see if the SessionHandler is available.
* @return boolean True on success, false otherwise.