3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php //define('HELLO', 'hello'); echo HELLO;
based on oXe6g
Output for 7.2.0 - 7.2.6
Warning: Use of undefined constant HELLO - assumed 'HELLO' (this will throw an Error in a future version of PHP) in /in/LOvdj on line 4 HELLO
Output for 5.6.0 - 5.6.30, hhvm-3.18.5 - 3.21.3, 7.0.0 - 7.1.20
Notice: Use of undefined constant HELLO - assumed 'HELLO' in /in/LOvdj on line 4 HELLO
Output for hhvm-3.22.0
Notice: Use of undefined constant HELLO - assumed 'HELLO' in /in/LOvdj on line -1 HELLO