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/>.

/**
 * Plugin administration pages are defined here.
 *
 * @package     local_globalfilter
 * @author      Mike Churchward
 * @copyright   2017 onwards Mike Churchward (mike.churchward@poetopensource.org)
 * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

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

if ($hassiteconfig) {
    $ADMIN->add('localplugins', new admin_category('globalfilter', get_string('pluginname', 'local_globalfilter')));
    $settings = new admin_settingpage('local_globalfilter', get_string('settings'));
    $settings->add(new admin_setting_configtext('local_globalfilter/recordlimit',
        new lang_string('recordlimit', 'local_globalfilter'), '', '50', PARAM_INT));
    $ADMIN->add('globalfilter', $settings);
}