grade.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/>.

/**
 * Redirect the user to the appropriate submission related page.
 *
 * @package   mod_ddtaquiz
 * @category  grade
 * @copyright 2017 Luca Gladiator <lucamarius.gladiator@stud.tu-darmstadt.de>
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require_once(__DIR__ . "../../../config.php");

$id = required_param('id', PARAM_INT);// Course module ID.
// Item number may be != 0 for activities that allow more than one grade per user.
$itemnumber = optional_param('itemnumber', 0, PARAM_INT);
$userid = optional_param('userid', 0, PARAM_INT); // Graded user ID (optional).

list($course, $cm) = get_course_and_cm_from_cmid($id);

// Check login.
require_login($course, false, $cm);

// In the simplest case just redirect to the view page.
redirect('view.php?id='.$id);