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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.
/group/ -> delete.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/>.


/**
 * Delete group
 *
 * @package   core_group
 * @copyright 2008 The Open University, s.marshall AT open.ac.uk
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

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

// Get and check parameters
$courseid = required_param('courseid', PARAM_INT);
$groupids = required_param('groups', PARAM_SEQUENCE);
$confirm = optional_param('confirm', 0, PARAM_BOOL);

$PAGE->set_url('/group/delete.php', array('courseid'=>$courseid,'groups'=>$groupids));
$PAGE->set_pagelayout('standard');

// Make sure course is OK and user has access to manage groups
if (!$course = $DB->get_record('course', array('id' => $courseid))) {
< print_error('invalidcourseid');
> throw new \moodle_exception('invalidcourseid');
} require_login($course); $context = context_course::instance($course->id); require_capability('moodle/course:managegroups', $context); $changeidnumber = has_capability('moodle/course:changeidnumber', $context); // Make sure all groups are OK and belong to course $groupidarray = explode(',',$groupids); $groupnames = array(); foreach($groupidarray as $groupid) { if (!$group = $DB->get_record('groups', array('id' => $groupid))) {
< print_error('invalidgroupid');
> throw new \moodle_exception('invalidgroupid');
} if (!empty($group->idnumber) && !$changeidnumber) {
< print_error('grouphasidnumber', '', '', $group->name);
> throw new \moodle_exception('grouphasidnumber', '', '', $group->name);
} if ($courseid != $group->courseid) {
< print_error('groupunknown', '', '', $group->courseid);
> throw new \moodle_exception('groupunknown', '', '', $group->courseid);
} $groupnames[] = format_string($group->name); } $returnurl='index.php?id='.$course->id; if(count($groupidarray)==0) {
< print_error('errorselectsome','group',$returnurl);
> throw new \moodle_exception('errorselectsome', 'group', $returnurl);
} if ($confirm && data_submitted()) { if (!confirm_sesskey() ) {
< print_error('confirmsesskeybad','error',$returnurl);
> throw new \moodle_exception('confirmsesskeybad', 'error', $returnurl);
} foreach($groupidarray as $groupid) { groups_delete_group($groupid); } redirect($returnurl); } else { $PAGE->set_title(get_string('deleteselectedgroup', 'group')); $PAGE->set_heading($course->fullname . ': '. get_string('deleteselectedgroup', 'group')); echo $OUTPUT->header(); $optionsyes = array('courseid'=>$courseid, 'groups'=>$groupids, 'sesskey'=>sesskey(), 'confirm'=>1); $optionsno = array('id'=>$courseid); if(count($groupnames)==1) { $message=get_string('deletegroupconfirm', 'group', $groupnames[0]); } else { $message=get_string('deletegroupsconfirm', 'group').'<ul>'; foreach($groupnames as $groupname) { $message.='<li>'.$groupname.'</li>'; } $message.='</ul>'; } $formcontinue = new single_button(new moodle_url('delete.php', $optionsyes), get_string('yes'), 'post'); $formcancel = new single_button(new moodle_url('index.php', $optionsno), get_string('no'), 'get'); echo $OUTPUT->confirm($message, $formcontinue, $formcancel); echo $OUTPUT->footer(); }