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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.
<?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/>.

/**
 * Potential admin user selector.
 *
 * @package    core_role
 * @copyright  2010 Petr Skoda {@link http://skodak.org}
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

require_once($CFG->dirroot.'/user/selector/lib.php');

class core_role_admins_potential_selector extends user_selector_base {
    /**
     * Create instance.
     *
     * @param string $name control name
     * @param array $options should have two elements with keys groupid and courseid.
     */
    public function __construct($name = null, $options = array()) {
        global $CFG;
        if (is_null($name)) {
            $name = 'addselect';
        }
< $options['multiselect'] = false;
$options['includecustomfields'] = true; $options['exclude'] = explode(',', $CFG->siteadmins); parent::__construct($name, $options); } public function find_users($search) { global $CFG, $DB; [$wherecondition, $params] = $this->search_sql($search, 'u'); $params = array_merge($params, $this->userfieldsparams); $fields = 'SELECT u.id, ' . $this->userfieldsselects; $countfields = 'SELECT COUNT(1)'; $sql = " FROM {user} u $this->userfieldsjoin WHERE $wherecondition AND mnethostid = :localmnet"; // It could be dangerous to make remote users admins and also this could lead to other problems. $params['localmnet'] = $CFG->mnet_localhost_id; [$sort, $sortparams] = users_order_by_sql('u', $search, $this->accesscontext, $this->userfieldsmappings); $order = ' ORDER BY ' . $sort; // Check to see if there are too many to show sensibly. if (!$this->is_validating()) { $potentialcount = $DB->count_records_sql($countfields . $sql, $params); if ($potentialcount > $this->maxusersperpage) { return $this->too_many_results($search, $potentialcount); } } $availableusers = $DB->get_records_sql($fields . $sql . $order, array_merge($params, $sortparams)); if (empty($availableusers)) { return array(); } if ($search) { $groupname = get_string('potusersmatching', 'core_role', $search); } else { $groupname = get_string('potusers', 'core_role'); } return array($groupname => $availableusers); } protected function get_options() { global $CFG; $options = parent::get_options(); $options['file'] = $CFG->admin . '/roles/lib.php'; return $options; } }