3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo whois;
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Use of undefined constant whois - assumed 'whois' in /in/6nA7o on line 3 whois