This is my javascript code............

 <script type="text/javascript">
 function openmodel(sectorid){
   $('#hdnSector').val(sectorid);
    var Id = sectorid;
    $('#myModal').modal('show');
    }
  </script>



     This is my PHP code...
        ?php
       global $wpdb;
       $variable=Id;
       $table_name = "wp_artical_area";
       $sub = $wpdb->get_results("SELECT * from $table_name where
             CAA_PARENT_ID=$variable");
        ?>