3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php define('CONSTANT', 1); define('_CONSTANT', 0); define('EMPTY', '');
based on Sd3OR
Output for 4.3.0 - 5.6.30, hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.2.0