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See Release Notes

  • Bug fixes for general core bugs in 4.0.x will end 8 May 2023 (12 months).
  • Bug fixes for security issues in 4.0.x will end 13 November 2023 (18 months).
  • PHP version: minimum PHP 7.3.0 Note: the minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is also supported.
/course/ -> mod.php (source)
<?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/>.

/**
 * Moves, adds, updates, duplicates or deletes modules in a course
 *
 * @copyright 1999 Martin Dougiamas  http://dougiamas.com
 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 * @package course
 */

require("../config.php");
require_once("lib.php");

$sectionreturn = optional_param('sr', null, PARAM_INT);
$add           = optional_param('add', '', PARAM_ALPHANUM);
$type          = optional_param('type', '', PARAM_ALPHA);
$indent        = optional_param('indent', 0, PARAM_INT);
$update        = optional_param('update', 0, PARAM_INT);
$duplicate     = optional_param('duplicate', 0, PARAM_INT);
$hide          = optional_param('hide', 0, PARAM_INT);
$stealth       = optional_param('stealth', 0, PARAM_INT);
$show          = optional_param('show', 0, PARAM_INT);
$copy          = optional_param('copy', 0, PARAM_INT);
$moveto        = optional_param('moveto', 0, PARAM_INT);
$movetosection = optional_param('movetosection', 0, PARAM_INT);
$delete        = optional_param('delete', 0, PARAM_INT);
$course        = optional_param('course', 0, PARAM_INT);
$groupmode     = optional_param('groupmode', -1, PARAM_INT);
$cancelcopy    = optional_param('cancelcopy', 0, PARAM_BOOL);
$confirm       = optional_param('confirm', 0, PARAM_BOOL);

// This page should always redirect
$url = new moodle_url('/course/mod.php');
foreach (compact('indent','update','hide','show','copy','moveto','movetosection','delete','course','cancelcopy','confirm') as $key=>$value) {
    if ($value !== 0) {
        $url->param($key, $value);
    }
}
$url->param('sr', $sectionreturn);
if ($add !== '') {
    $url->param('add', $add);
}
if ($type !== '') {
    $url->param('type', $type);
}
if ($groupmode !== '') {
    $url->param('groupmode', $groupmode);
}
$PAGE->set_url($url);

require_login();

//check if we are adding / editing a module that has new forms using formslib
if (!empty($add)) {
    $id          = required_param('id', PARAM_INT);
    $section     = required_param('section', PARAM_INT);
    $type        = optional_param('type', '', PARAM_ALPHA);
    $returntomod = optional_param('return', 0, PARAM_BOOL);
> $beforemod = optional_param('beforemod', 0, PARAM_INT);
< redirect("$CFG->wwwroot/course/modedit.php?add=$add&type=$type&course=$id&section=$section&return=$returntomod&sr=$sectionreturn");
> redirect( > new moodle_url( > '/course/modedit.php', > [ > 'add' => $add, > 'type' => $type, > 'course' => $id, > 'section' => $section, > 'return' => $returntomod, > 'sr' => $sectionreturn, > 'beforemod' => $beforemod, > ] > ) > );
} else if (!empty($update)) { $cm = get_coursemodule_from_id('', $update, 0, true, MUST_EXIST); $returntomod = optional_param('return', 0, PARAM_BOOL); redirect("$CFG->wwwroot/course/modedit.php?update=$update&return=$returntomod&sr=$sectionreturn"); } else if (!empty($duplicate) and confirm_sesskey()) { $cm = get_coursemodule_from_id('', $duplicate, 0, true, MUST_EXIST); $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST); require_login($course, false, $cm); $modcontext = context_module::instance($cm->id); require_capability('moodle/course:manageactivities', $modcontext); // Duplicate the module. $newcm = duplicate_module($course, $cm); redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn))); } else if (!empty($delete)) { $cm = get_coursemodule_from_id('', $delete, 0, true, MUST_EXIST); $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST); require_login($course, false, $cm); $modcontext = context_module::instance($cm->id); require_capability('moodle/course:manageactivities', $modcontext); $return = course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)); if (!$confirm or !confirm_sesskey()) { $fullmodulename = get_string('modulename', $cm->modname); $optionsyes = array('confirm'=>1, 'delete'=>$cm->id, 'sesskey'=>sesskey(), 'sr' => $sectionreturn); $strdeletecheck = get_string('deletecheck', '', $fullmodulename); $strparams = (object)array('type' => $fullmodulename, 'name' => $cm->name); $strdeletechecktypename = get_string('deletechecktypename', '', $strparams); $PAGE->set_pagetype('mod-' . $cm->modname . '-delete'); $PAGE->set_title($strdeletecheck); $PAGE->set_heading($course->fullname); $PAGE->navbar->add($strdeletecheck); echo $OUTPUT->header(); echo $OUTPUT->box_start('noticebox'); $formcontinue = new single_button(new moodle_url("$CFG->wwwroot/course/mod.php", $optionsyes), get_string('yes')); $formcancel = new single_button($return, get_string('no'), 'get'); echo $OUTPUT->confirm($strdeletechecktypename, $formcontinue, $formcancel); echo $OUTPUT->box_end(); echo $OUTPUT->footer(); exit; } // Delete the module. course_delete_module($cm->id); redirect($return); } if ((!empty($movetosection) or !empty($moveto)) and confirm_sesskey()) { $cm = get_coursemodule_from_id('', $USER->activitycopy, 0, true, MUST_EXIST); $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST); require_login($course, false, $cm); $coursecontext = context_course::instance($course->id); $modcontext = context_module::instance($cm->id); require_capability('moodle/course:manageactivities', $modcontext); if (!empty($movetosection)) { if (!$section = $DB->get_record('course_sections', array('id'=>$movetosection, 'course'=>$cm->course))) {
< print_error('sectionnotexist');
> throw new \moodle_exception('sectionnotexist');
} $beforecm = NULL; } else { // normal moveto if (!$beforecm = get_coursemodule_from_id('', $moveto, $cm->course, true)) {
< print_error('invalidcoursemodule');
> throw new \moodle_exception('invalidcoursemodule');
} if (!$section = $DB->get_record('course_sections', array('id'=>$beforecm->section, 'course'=>$cm->course))) {
< print_error('sectionnotexist');
> throw new \moodle_exception('sectionnotexist');
} } if (!ismoving($section->course)) {
< print_error('needcopy', '', "view.php?id=$section->course");
> throw new \moodle_exception('needcopy', '', "view.php?id=$section->course");
} moveto_module($cm, $section, $beforecm); $sectionreturn = $USER->activitycopysectionreturn; unset($USER->activitycopy); unset($USER->activitycopycourse); unset($USER->activitycopyname); unset($USER->activitycopysectionreturn); redirect(course_get_url($course, $section->section, array('sr' => $sectionreturn))); } else if (!empty($indent) and confirm_sesskey()) { $id = required_param('id', PARAM_INT); $cm = get_coursemodule_from_id('', $id, 0, true, MUST_EXIST); $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST); require_login($course, false, $cm); $coursecontext = context_course::instance($course->id); $modcontext = context_module::instance($cm->id); require_capability('moodle/course:manageactivities', $modcontext); $cm->indent += $indent; if ($cm->indent < 0) { $cm->indent = 0; } $DB->set_field('course_modules', 'indent', $cm->indent, array('id'=>$cm->id)); \course_modinfo::purge_course_module_cache($cm->course, $cm->id); // Rebuild invalidated module cache. rebuild_course_cache($cm->course, false, true); redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn))); } else if (!empty($hide) and confirm_sesskey()) { $cm = get_coursemodule_from_id('', $hide, 0, true, MUST_EXIST); $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST); require_login($course, false, $cm); $coursecontext = context_course::instance($course->id); $modcontext = context_module::instance($cm->id); require_capability('moodle/course:activityvisibility', $modcontext); if (set_coursemodule_visible($cm->id, 0)) { \core\event\course_module_updated::create_from_cm($cm, $modcontext)->trigger(); } redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn))); } else if (!empty($stealth) and confirm_sesskey()) { list($course, $cm) = get_course_and_cm_from_cmid($stealth); require_login($course, false, $cm); require_capability('moodle/course:activityvisibility', $cm->context); if (set_coursemodule_visible($cm->id, 1, 0)) { \core\event\course_module_updated::create_from_cm($cm)->trigger(); } redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn))); } else if (!empty($show) and confirm_sesskey()) { list($course, $cm) = get_course_and_cm_from_cmid($show); require_login($course, false, $cm); require_capability('moodle/course:activityvisibility', $cm->context); $section = $cm->get_section_info(); if (set_coursemodule_visible($cm->id, 1)) { \core\event\course_module_updated::create_from_cm($cm)->trigger(); } redirect(course_get_url($course, $section->section, array('sr' => $sectionreturn))); } else if ($groupmode > -1 and confirm_sesskey()) { $id = required_param('id', PARAM_INT); $cm = get_coursemodule_from_id('', $id, 0, true, MUST_EXIST); $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST); require_login($course, false, $cm); $coursecontext = context_course::instance($course->id); $modcontext = context_module::instance($cm->id); require_capability('moodle/course:manageactivities', $modcontext); set_coursemodule_groupmode($cm->id, $groupmode); \core\event\course_module_updated::create_from_cm($cm, $modcontext)->trigger(); redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn))); } else if (!empty($copy) and confirm_sesskey()) { // value = course module $cm = get_coursemodule_from_id('', $copy, 0, true, MUST_EXIST); $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST); require_login($course, false, $cm); $coursecontext = context_course::instance($course->id); $modcontext = context_module::instance($cm->id); require_capability('moodle/course:manageactivities', $modcontext); $section = $DB->get_record('course_sections', array('id'=>$cm->section), '*', MUST_EXIST); $USER->activitycopy = $copy; $USER->activitycopycourse = $cm->course; $USER->activitycopyname = $cm->name; $USER->activitycopysectionreturn = $sectionreturn; redirect(course_get_url($course, $section->section, array('sr' => $sectionreturn))); } else if (!empty($cancelcopy) and confirm_sesskey()) { // value = course module $courseid = $USER->activitycopycourse; $course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST); $cm = get_coursemodule_from_id('', $USER->activitycopy, 0, true, IGNORE_MISSING); $sectionreturn = $USER->activitycopysectionreturn; unset($USER->activitycopy); unset($USER->activitycopycourse); unset($USER->activitycopyname); unset($USER->activitycopysectionreturn); redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn))); } else {
< print_error('unknowaction');
> throw new \moodle_exception('unknowaction');
}