3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $Arb='>8a'^Mb9;
Output for 7.2.0
Warning: Use of undefined constant Mb9 - assumed 'Mb9' (this will throw an Error in a future version of PHP) in /in/6VEsc on line 3
Output for 4.3.0 - 7.1.10
Notice: Use of undefined constant Mb9 - assumed 'Mb9' in /in/6VEsc on line 3