3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo pepe;
Output for 7.2.0
Warning: Use of undefined constant pepe - assumed 'pepe' (this will throw an Error in a future version of PHP) in /in/jPnp7 on line 2 pepe
Output for 4.3.0 - 7.1.7
Notice: Use of undefined constant pepe - assumed 'pepe' in /in/jPnp7 on line 2 pepe