3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo helloo;
Output for 7.2.0
Warning: Use of undefined constant helloo - assumed 'helloo' (this will throw an Error in a future version of PHP) in /in/tZQSq on line 3 helloo
Output for 5.3.20 - 7.1.10
Notice: Use of undefined constant helloo - assumed 'helloo' in /in/tZQSq on line 3 helloo