chamilo / chamilo-lms

    $studentCondition = null;

    if (!empty($onlyUserList)) {

        $onlyUserList = array_map('intval', $onlyUserList);

        $studentCondition = "AND u.user_id IN ('".implode("', '", $onlyUserList)."') ";

    } else {

        if (empty($userId)) {

            return 0;

        }

    }

    $sql = "SELECT count(*) FROM (

                SELECT count(*), w.parent_id

            }

        }

        if (!empty($userIdList)) {

            $userIdList = array_map('intval', $userIdList);

            $userIdList = implode('","', $userIdList);

            $sql .= ' AND user.user_id IN ("' . $userIdList . '")';

        }

        if (isset($filterByActive)) {

            $filterByActive = intval($filterByActive);