3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo FooBar;
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Notice: Use of undefined constant FooBar - assumed 'FooBar' in /in/MXoeM on line 2 FooBar
Output for hhvm-3.10.0
Notice: Use of undefined constant FooBar - assumed 'FooBar' in /in/MXoeM on line 13 FooBar