2 // This file is part of Moodle - http://moodle.org/
4 // Moodle is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation, either version 3 of the License, or
7 // (at your option) any later version.
9 // Moodle is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License
15 // along with Moodle. If not, see <http://www.gnu.org/licenses/>.
18 * Contains functions called by core.
20 * @package block_online_users
21 * @copyright 2018 Mihail Geshoski <mihail@moodle.com>
22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
25 defined('MOODLE_INTERNAL') ||
die();
28 * Callback to define user preferences.
32 function block_online_users_user_preferences() {
33 $preferences = array();
34 $preferences['block_online_users_uservisibility'] = array(
36 'null' => NULL_NOT_ALLOWED
,
38 'choices' => array(0, 1),
39 'permissioncallback' => function($user, $preferencename) {
41 return $user->id
== $USER->id
;