3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php define('__DIR__', 'yay'); var_dump(__DIR__);
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(3) "/in"
Output for 4.3.0 - 5.2.17
string(3) "yay"