3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo A^m;
Output for 7.2.0 - 7.3.0alpha1
Warning: Use of undefined constant A - assumed 'A' (this will throw an Error in a future version of PHP) in /in/Om005 on line 3 Warning: Use of undefined constant m - assumed 'm' (this will throw an Error in a future version of PHP) in /in/Om005 on line 3 ,
Output for 4.3.0 - 7.1.10
Notice: Use of undefined constant A - assumed 'A' in /in/Om005 on line 3 Notice: Use of undefined constant m - assumed 'm' in /in/Om005 on line 3 ,