3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo chu; ?>
Output for 5.5.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Use of undefined constant chu - assumed 'chu' in /in/JbVu5 on line 2 chu
Output for 4.3.0 - 5.4.45
chu