3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo (string) ABC; ?>
based on vaMah
Output for 7.2.0
Warning: Use of undefined constant ABC - assumed 'ABC' (this will throw an Error in a future version of PHP) in /in/XsGHi on line 2 ABC
Output for 4.3.0 - 7.1.10
Notice: Use of undefined constant ABC - assumed 'ABC' in /in/XsGHi on line 2 ABC