3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(A); const A = "Oh, hi there.";
based on lpa8W
Output for 7.2.0 - 7.2.11
Warning: Use of undefined constant A - assumed 'A' (this will throw an Error in a future version of PHP) in /in/2sM9t on line 3 string(1) "A"
Output for 5.3.22 - 5.6.38, hhvm-3.10.1 - 3.21.3, 7.0.0 - 7.1.23
Notice: Use of undefined constant A - assumed 'A' in /in/2sM9t on line 3 string(1) "A"
Output for hhvm-3.22.0
Notice: Use of undefined constant A - assumed 'A' in /in/2sM9t on line -1 string(1) "A"