3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = ''; if(!$a) { echo 'blah'; } else { echo 'who dat'; }
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
blah
Output for hhvm-3.10.0

Process exited with code 153.