format.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/>.

/**
 * twocol course format.  Display the whole course as "twocol" made of modules.
 *
 * @package     format_twocol
 * @copyright   2019 Matt Porritt <mattp@catalyst-au.net>
 * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

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

require_once($CFG->libdir.'/filelib.php');
require_once($CFG->libdir.'/completionlib.php');

// Retrieve course format option fields and add them to the $course object.
$format = course_get_format($course);
$course = $format->get_course();
$context = context_course::instance($course->id);

if (($marker >= 0) && has_capability('moodle/course:setcurrentsection', $context) && confirm_sesskey()) {
    $course->marker = $marker;
    course_set_marker($course->id, $marker);
}

// Set up renderer to display page elements.
$renderer = $PAGE->get_renderer('format_twocol');

if (!empty($displaysection)) {
    $format->set_sectionnum($displaysection);
}

$outputclass = $format->get_output_classname('content');
$output = new $outputclass($format);
echo $renderer->render($output);