3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $foo = array('bar'=>baz); echo $foo[bar];
based on WvL6E
Output for 7.2.5 - 7.3.0alpha1
Warning: Use of undefined constant baz - assumed 'baz' (this will throw an Error in a future version of PHP) in /in/MQvLv on line 2 Warning: Use of undefined constant bar - assumed 'bar' (this will throw an Error in a future version of PHP) in /in/MQvLv on line 3 baz
Output for 4.3.0 - 7.1.7
Notice: Use of undefined constant baz - assumed 'baz' in /in/MQvLv on line 2 Notice: Use of undefined constant bar - assumed 'bar' in /in/MQvLv on line 3 baz