'; echo ''; $groupid = required_param('groupid', PARAM_INT); $users = required_param('users', PARAM_SEQUENCE); $courseid = required_param('courseid', PARAM_INT); require_login($courseid); if (confirm_sesskey() and isteacheredit($courseid)) { // Change the comma-separated string of the userids into an array of the userids $userids = explode(',', $users); if ($userids != false) { // Remove each user in turn from the group. foreach($userids as $userid) { $useradded = groups_remove_member($groupid, $userid); if (!$useradded) { echo "Failed to adduser $userid"; } } } } echo ''; ?>