3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo "blub"; echo __DIR__;
Output for 5.3.0 - 7.2.0
blub/in
Output for 4.3.0 - 5.2.17
blub Notice: Use of undefined constant __DIR__ - assumed '__DIR__' in /in/FR1sv on line 4 __DIR__