3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $allowed = array('<p>', '<b>', '<i>', '<u>'); echo (implode(', ', $allowed));
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
<p>, <b>, <i>, <u>
Output for hhvm-3.10.0

Process exited with code 153.