logout.php

<?php
/*********************************************************************
    logout.php

    Log out staff
    Destroy the session and redirect to login.php

    Peter Rotich <peter@osticket.com>
    Copyright (c)  2006-2012 osTicket
    http://www.osticket.com

    Released under the GNU General Public License WITHOUT ANY WARRANTY.
    See LICENSE.TXT for details.

    vim: expandtab sw=4 ts=4 sts=4:
**********************************************************************/
require('staff.inc.php');
//CSRF Check: Make sure the user actually clicked on the link to logout.
if(!$_GET['auth'] || $_GET['auth']!=md5($ost->getCSRFToken().SECRET_SALT.session_id()))
   @header('Location: index.php');

$ost->logDebug('Staff logout',
        sprintf("%s logged out [%s]", 
            $thisstaff->getUserName(), $_SERVER['REMOTE_ADDR'])); //Debug.
$_SESSION['_staff']=array();
session_unset();
session_destroy();
@header('Location: login.php');
require('login.php');
?>