3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php // Everything you enter here will be executed by our servers. Try it! function crc($i){return crc32($i);} $uri='/advert.html'; var_dump(((crc($uri) << 32) + crc(strrev($uri))));
Output for 4.3.0 - 7.1.0
int(-1217023179062898385)