3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php define('ABC',8); $a='ABC'; $b='a'; echo AB.C;
Output for 7.2.0 - 7.3.0rc4
Warning: Use of undefined constant AB - assumed 'AB' (this will throw an Error in a future version of PHP) in /in/eJNqn on line 8 Warning: Use of undefined constant C - assumed 'C' (this will throw an Error in a future version of PHP) in /in/eJNqn on line 8 ABC
Output for 4.3.0 - 7.1.20
Notice: Use of undefined constant AB - assumed 'AB' in /in/eJNqn on line 8 Notice: Use of undefined constant C - assumed 'C' in /in/eJNqn on line 8 ABC