3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo ("Expires: ".gmdate("D, d M Y H:i:s", time() + 3600)." GMT");
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6
Expires: Thu, 22 Oct 2015 11:54:28 GMT
preferences:
111.28 ms | 402 KiB | 134 Q