Search moodle.org's
Developer Documentation

See Release Notes

  • Bug fixes for general core bugs in 4.0.x will end 8 May 2023 (12 months).
  • Bug fixes for security issues in 4.0.x will end 13 November 2023 (18 months).
  • PHP version: minimum PHP 7.3.0 Note: the minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is also supported.
/login/ -> logout.php (source)
<?php

// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Logs the user out and sends them to the home page
 *
 * @package    core
 * @subpackage auth
 * @copyright  1999 onwards Martin Dougiamas  http://dougiamas.com
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require_once('../config.php');

$PAGE->set_url('/login/logout.php');
$PAGE->set_context(context_system::instance());

$sesskey = optional_param('sesskey', '__notpresent__', PARAM_RAW); // we want not null default to prevent required sesskey warning
$login   = optional_param('loginpage', 0, PARAM_BOOL);

// can be overridden by auth plugins
if ($login) {
    $redirect = get_login_url();
} else {
    $redirect = $CFG->wwwroot.'/';
}

if (!isloggedin()) {
    // no confirmation, user has already logged out
    require_logout();
    redirect($redirect);

} else if (!confirm_sesskey($sesskey)) {
< $PAGE->set_title($SITE->fullname);
> $PAGE->set_title(get_string('logout'));
$PAGE->set_heading($SITE->fullname); echo $OUTPUT->header(); echo $OUTPUT->confirm(get_string('logoutconfirm'), new moodle_url($PAGE->url, array('sesskey'=>sesskey())), $CFG->wwwroot.'/'); echo $OUTPUT->footer(); die; } $authsequence = get_enabled_auth_plugins(); // auths, in sequence foreach($authsequence as $authname) { $authplugin = get_auth_plugin($authname); $authplugin->logoutpage_hook(); } require_logout(); redirect($redirect);