$cod_service=filter_var(trim($_POST['cod_service'],FILTER_SANITIZE_STRING));

        $code_payment=filter_var(trim($_POST['code_payment'],FILTER_SANITIZE_STRING));

        $descr_service=filter_var(trim($_POST['descr_service'],FILTER_SANITIZE_STRING));

        $descr_payment=filter_var(trim($_POST['descr_payment'],FILTER_SANITIZE_STRING));

        $start_hour=$_POST['start_hour'];

        $end_hour=$_POST['end_hour'];

        $free_time=$_POST['free_time'];

        $working_hours=$_POST['working_hours'];

        $absence_hours=$_POST['absence_hours'];

        $idRecord=filter_var($_POST['idRecord'],FILTER_SANITIZE_NUMBER_INT);

        $id_operator=filter_var($_POST['id_operator'],FILTER_SANITIZE_NUMBER_INT);

        $start_date=strtotime($_POST['start_date']);

        $start_date=date('Y/m/d H:i:s',$start_date);

        $end_date= strtotime($_POST['end_date']);

        $end_date=date('Y/m/d H:i:s',$end_date);

        $id_service=filter_var($_POST['id_service'],FILTER_SANITIZE_NUMBER_INT);

        $id_payment=filter_var($_POST['id_payment'],FILTER_SANITIZE_NUMBER_INT);

        $flag=$_POST['flag'];

        $query = $db_con->prepare("UPDATE attendance_tbl SET

row_id=:id_record,id_operator=:id_operator,start_date=:start_date,start_hour=:start_hour,end_date=:end_date,end_hour=:end_hour,free_tim

e=:free_time,working_hours=:working_hours,absence_hours=:absence_hours,id_payment=:id_payment,code_payment=:code_payment,descr_payment=

:descr_payment,id_service=:id_service,cod_service=:cod_service,descr_service=:descr_service,flag=:flag WHERE row_id=:id_record");

        $query->bindParam(":id_record",$id_record);

        $query->bindParam(":id_operator",$id_operator);

        $query->bindParam(":start_date",$start_date);

        $query->bindParam(":start_hour",$start_hour);

        $query->bindParam(":end_date",$end_date);

        $query->bindParam(":end_hour",$end_hour);

        $query->bindParam(":free_time",$free_time);

        $query->bindParam(":working_hours",$working_hours);

        $query->bindParam(":absence_hours",$absence_hours);

        $query->bindParam(":id_payment",$id_payment);

        $query->bindParam(":code_payment",$code_payment);

        $query->bindParam(":descr_payment",$descr_payment);

        $query->bindParam(":id_service",$id_service);

        $query->bindParam(":cod_service",$cod_service);

        $query->bindParam(":descr_service",$descr_service);

        $query->bindParam(":flag",$flag);

        if($query->execute()){
            $stmt = $db_con->prepare("SELECT * FROM attendance_tbl WHERE row_id=:id_record LIMIT 1");

            $stmt->execute(array(":id_record"=>$idRecord));

            $result = $stmt->fetch(PDO::FETCH_BOTH);

            var_dump($result);

        }else{

            echo"you failed";
        }