egroupware_official/phpgwapi/inc/class.egw_session.inc.php

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<?php
/**
* EGroupware API: session handling
*
* This class is based on the old phpgwapi/inc/class.sessions(_php4).inc.php:
* (c) 1998-2000 NetUSE AG Boris Erdmann, Kristian Koehntopp
* (c) 2003 FreeSoftware Foundation
* Not sure how much the current code still has to do with it.
*
* Former authers were:
* - NetUSE AG Boris Erdmann, Kristian Koehntopp
* - Dan Kuykendall <seek3r@phpgroupware.org>
* - Joseph Engo <jengo@phpgroupware.org>
*
* @link http://www.egroupware.org
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package api
* @subpackage session
* @author Ralf Becker <ralfbecker@outdoor-training.de> since 2003 on
* @version $Id$
*/
use EGroupware\Api;
/**
* Create, verifies or destroys an EGroupware session
*
* @deprecated use Api\Session
*/
class egw_session extends Api\Session
{
/**
* Stores or retrieve applications data in/form the eGW session
*
* @param string $location free lable to store the data
* @param string $appname ='' default current application (egw_info[flags][currentapp])
* @param mixed $data ='##NOTHING##' if given, data to store, if not specified
* @deprecated use egw_cache::setSession($appname, $location, $data) or egw_cache::getSession($appname, $location)
* @return mixed session data or false if no data stored for $appname/$location
*/
public static function &appsession($location = 'default', $appname = '', $data = '##NOTHING##')
{
if (isset($_SESSION[self::EGW_SESSION_ENCRYPTED]))
{
if (self::ERROR_LOG_DEBUG) error_log(__METHOD__.' called after session was encrypted --> ignored!');
return false; // can no longer store something in the session, eg. because commit_session() was called
}
if (!$appname)
{
$appname = $GLOBALS['egw_info']['flags']['currentapp'];
}
// allow to store eg. '' as the value.
if ($data === '##NOTHING##')
{
if(isset($_SESSION[self::EGW_APPSESSION_VAR][$appname]) && array_key_exists($location,$_SESSION[self::EGW_APPSESSION_VAR][$appname]))
{
$ret =& $_SESSION[self::EGW_APPSESSION_VAR][$appname][$location];
}
else
{
$ret = false;
}
}
else
{
$_SESSION[self::EGW_APPSESSION_VAR][$appname][$location] =& $data;
$ret =& $_SESSION[self::EGW_APPSESSION_VAR][$appname][$location];
}
if (self::ERROR_LOG_DEBUG === 'appsession')
{
error_log(__METHOD__."($location,$appname,$data) === ".(is_scalar($ret) && strlen($ret) < 50 ?
(is_bool($ret) ? ($ret ? '(bool)true' : '(bool)false') : $ret) :
(strlen($r = array2string($ret)) < 50 ? $r : substr($r,0,50).' ...')));
}
return $ret;
}
}