<?php
// пустой ответ gray правил
header('Content-Type: text/html; charset=UTF-8');
header('Expires: Thu, 18 Aug 1994 05:00:00 GMT');
header('Cache-Control: no-store, no-cache, must-revalidate');
header('Access-Control-Allow-Methods: POST');
header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Headers: *');
header('X-Robots-Tag: noindex');

echo '{"error": "GRAY"}';
