ohctech_p8/del_work_area_param.php

<?php 
include('includes/config/config.php');
$query="";
if(!empty($_REQUEST['item_id'])){
    $query = " delete from work_area_hyg_parameter  where id = '".$_REQUEST['item_id']." '   ";
    
  //  echo $query;
    if (!$result = @mysqli_query($conn,$query)) {
        
        die(mysqli_error($conn));
        echo json_encode("FAILURE");
    }else{
        echo json_encode("SUCCESS");
    }
    
}

?>