3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class A { } echo A;
Output for 7.2.0 - 7.3.0rc4
Warning: Use of undefined constant A - assumed 'A' (this will throw an Error in a future version of PHP) in /in/ICW1v on line 6 A
Output for 4.3.0 - 7.1.20
Notice: Use of undefined constant A - assumed 'A' in /in/ICW1v on line 6 A