i want to export two different type of xlsx file based on radio button . 
    $sel = $_POST['sel'];
       echo $sel;
    if(isset($_POST['search'])){
        if($sel == 'board')
        {
         header('Location: export_data1.php? 
       num='.$_POST['staff']);  
       die(); 
        }
       else
       {
         header('Location: export_data2.php? 
          num='.$_POST['desg']);
         die(); 
        }
       }
how to call another php file based on my radio button.Is there any other alternate way to call php file with passing arguments?