Change AJAX post request to get

[beumerr]

Files needed:

1. src/admin/assets/js/script.js - This file contains the JS with AJAX call function
2. src/admin/inc/qc-load-xml.php - File that AJAX will call

In the function set_page_section from file 1:

• Change the post type to GET instead of POST.
• Send slug details in url instead of data.

In file 2:

• change $_POST['slug] to $_GET['slug']