3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function a() {return 1;} var_dump(a);
Output for 4.3.0 - 5.6.25, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Use of undefined constant a - assumed 'a' in /in/Dkr2o on line 3 string(1) "a"