3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php error_reporting(E_ALL); if (!defined('__DIR__')) { echo 'magic __DIR__ is not defined; defining it now.\r\n'; define('__DIR__', dirname(__FILE__)); } var_dump(__DIR__);
Output for 4.3.0 - 7.1.7
magic __DIR__ is not defined; defining it now.\r\nstring(3) "/in"