3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php GetHostByName($REMOTE_ADDR); ?>
Output for 5.0.4 - 7.2.0
Notice: Undefined variable: REMOTE_ADDR in /in/5btVk on line 2
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: REMOTE_ADDR in /in/5btVk on line 2