3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php HOOI ?>
Output for 7.2.0
Warning: Use of undefined constant HOOI - assumed 'HOOI' (this will throw an Error in a future version of PHP) in /in/mtLWJ on line 2
Output for 7.0.0 - 7.1.7
Notice: Use of undefined constant HOOI - assumed 'HOOI' in /in/mtLWJ on line 2
Output for 4.3.0 - 5.6.28
Notice: Use of undefined constant HOOI - assumed 'HOOI' in /in/mtLWJ on line 3