if($stmt->execute()) {
            $result = $stmt->get_result();
            $numRows = $result->num_rows;

            if($numRows > 0) {
                while($row = $result->fetch_assoc()) {
                    array_push($dtbOutput, ["lines" => $numRows]);
                    $dtbOutput[] = $row;
                }
            } else {
                $dtbOutput = [["lines" => $numRows]];
            }
        } else {
            throw new Exception("Chyba v 'stmt_get' u".$stmt->error);
        }