--- /dev/null
+<?php
+
+use Symfony\Component\HttpFoundation\Cookie;
+
+$r = require __DIR__.'/common.inc';
+
+$str = '?*():@&+$/%#[]';
+
+$r->headers->setCookie(new Cookie($str, $str, 0, '', null, false, false));
+$r->sendHeaders();
+
+setcookie($str, $str, 0, '/');