settings.php

<?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/>.

/**
 * Setting page for questionaire module
 *
 * @package    mod
 * @subpackage pimenkoquestionnaire
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die;

if ($ADMIN->fulltree) {
    $options = [0 => get_string('no'), 1 => get_string('yes')];
    $str = get_string('configusergraphlong', 'pimenkoquestionnaire');
    $settings->add(new admin_setting_configselect('pimenkoquestionnaire/usergraph',
            get_string('configusergraph', 'pimenkoquestionnaire'),
            $str, 0, $options));
    $settings->add(new admin_setting_configtext('pimenkoquestionnaire/maxsections',
            get_string('configmaxsections', 'pimenkoquestionnaire'),
            '', 10, PARAM_INT));
    $choices = [
            'response' => get_string('response', 'pimenkoquestionnaire'),
            'submitted' => get_string('submitted', 'pimenkoquestionnaire'),
            'institution' => get_string('institution'),
            'department' => get_string('department'),
            'course' => get_string('course'),
            'group' => get_string('group'),
            'cohort' => get_string('cohort', 'pimenkoquestionnaire'),
            'id' => get_string('id', 'pimenkoquestionnaire'),
            'fullname' => get_string('fullname'),
            'username' => get_string('username')
    ];

    $settings->add(new admin_setting_configmultiselect('pimenkoquestionnaire/downloadoptions',
            get_string('textdownloadoptions', 'pimenkoquestionnaire'), '', array_keys($choices), $choices));
}