3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php if (in_array(0, array('alert', 'debug', 'error', 'info', 'notice', 'warning'))) { echo 'wtf'; }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
wtf