3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $userName = "Jacob"; print Hi . $userName; ?>
Output for 7.2.0 - 7.3.0rc4
Warning: Use of undefined constant Hi - assumed 'Hi' (this will throw an Error in a future version of PHP) in /in/3naVQ on line 1 HiJacob
Output for 5.5.0 - 7.1.20
Notice: Use of undefined constant Hi - assumed 'Hi' in /in/3naVQ on line 1 HiJacob
Output for 4.3.0 - 5.4.45
HiJacob