ขอทราบวิธีกำหนดให้แต่ละ url นั้นดูได้เฉพาะเจ้าของ user เท่านั้นหน่อยครับ

 $sql = "SELECT data_user.*,data_car.*,data_prb.*,data_ins.* FROM data_user 
              left JOIN data_car on data_user.id=data_car.car_id
              left JOIN data_prb on data_user.id=data_prb.prb_id
              left join data_ins on data_user.id=data_ins.ins_id
              WHERE data_user.member_id = '$_SESSION[login_true]'
              ORDER BY id desc
              LIMIT 30";

<a target="_blank" href="show_detail.php?id=<?php echo $result["id"];?>">ดูข้อมูล</a>

<?php 
      include("config_mysqli.php") ;
        $strid = null;

      if(isset($_GET["id"]))
           {
             $strid = $_GET["id"];
           }
    


      $sql = "SELECT data_user.*,data_car.*,data_prb.*,data_ins.*,district.*, amphur.*, province.* 
      FROM data_user

              left JOIN data_car on data_user.id=data_car.car_id
              left JOIN data_prb on data_user.id=data_prb.prb_id
              left join data_ins on data_user.id=data_ins.ins_id

              LEFT JOIN district ON data_user.district_id = district.DISTRICT_ID
              LEFT JOIN amphur ON data_user.amphur_id = amphur.AMPHUR_ID
              LEFT JOIN province ON data_user.province_id = province.PROVINCE_ID
              WHERE id = '".$strid."'";
              

      $query = mysqli_query($conn,$sql)  or die ("Error Query [".$strSQL."]");
      $result=mysqli_fetch_array($query,MYSQLI_ASSOC);
?>

  ////////echo ออกมา
<?php echo $result["name"];?>&nbsp;<?php echo $result["surname"];?>