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/>.

/**
 * Verbalfeedback grade page.
 *
 * @package     mod_verbalfeedback
 * @copyright   2020 Kevin Tippenhauer <kevin.tippenhauer@bfh.ch>
 * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

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

require_login();

$id = required_param('id', PARAM_INT);
$userid = optional_param('touser', 0, PARAM_INT);
if (trim(optional_param('touser', 0, PARAM_INT)) == 0) {
    $userid = optional_param('userid', 0, PARAM_INT);
}
$itemnumber = optional_param('itemnumber', 0, PARAM_INT); // Item number, may be != 0 for activities that allow
    // more than one grade per user.

$cm = get_coursemodule_from_id('verbalfeedback', $id, 0, false, MUST_EXIST);
$course = $DB->get_record('course', ['id' => $cm->course], '*', MUST_EXIST);

redirect(new moodle_url('/mod/verbalfeedback/report.php', ['touser' => $userid, 'instance' => $cm->instance]));