chamilo / chamilo-lms

            );

        }

        if (!empty($groupId)) {

            $groupInfo = GroupManager::get_group_properties($groupId);

            $students = GroupManager::getStudents($groupInfo['iid']);

            if (!empty($students)) {

                foreach ($students as $student) {

                    $studentInGroup[$student['user_id']] = true;

                }

            }

        }

        // get registered users inside current course

        $a_users = array();

    $group_id = api_get_group_id();

    $new_group_user_list = array();

    if ($group_id) {

        $groupInfo = GroupManager::get_group_properties($group_id);

        $group_user_list = GroupManager::get_subscribed_users($groupInfo['iid']);

        if (!empty($group_user_list)) {

            foreach($group_user_list as $group_user) {

                $new_group_user_list[] = $group_user['user_id'];

            }

        }

    }

    $result_users = Database::query($sql_users);

    $users_without_tasks = array();