im trying to post image that been convert to url by using ajax. The problem is $image = $_POST['imgData']; not show anything but if i check developer tools on network preview the data can be seen.

this is my script

        var canvas = document.getElementById('chart1');
        var imgData = canvas.toDataURL('image/png', 1);
        //console.log(imgData);


        $.ajax({
            type: "POST",
            url: "?f=view_customer_list",
            data: { imgData: imgData },
            success: function(response) {
                alert(imgData);
            }
        });

php code

  $image = $_POST['imgData'];
  
  echo $image;

i want the url can be echo in my page