chamilo / chamilo-lms

        }

        $limit_text = '';

        if (isset($from) && isset($limit)) {

            $from = intval($from);

            $limit = intval($limit);

            $limit_text = "LIMIT $from, $limit";

        }

        if (count($relation_type) == 0) {

            $where_relation_condition = '';

        }

        $limit_text = '';

        if (isset($from) && isset($limit)) {

            $from = intval($from);

            $limit = intval($limit);

            $limit_text = "LIMIT $from, $limit";

        }

        if (count($relation_type) == 0) {

            $where_relation_condition = '';

            $limitCondition = null;

            if (isset($start) && isset($limit)) {

                $start = intval($start);

                $limit = intval($limit);

                $limitCondition = " LIMIT $start, $limit";

            }

            $sql .= $limitCondition;

            $result = Database::query($sql);

            $questions = array();

            return $row['count'];

        }

        if (isset($from) && isset($limit)) {

            $from = intval($from);

            $limit = intval($limit);

            $sql .= " LIMIT $from, $limit";

        }

        $result = Database::query($sql);

        $num_rows = Database::num_rows($result);

                    $whereConditions

                $orderBy

                ";

        if (isset($from) && isset($limit)) {

            $from = intval($from);

            $limit = intval($limit);

            $sql .= " LIMIT $from, $limit";

        }

        $result = Database::query($sql);