3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(__dir__);
Output for 5.3.0 - 7.1.0
string(3) "/in"
Output for 4.3.0 - 5.2.17
Notice: Use of undefined constant __dir__ - assumed '__dir__' in /in/nP1eF on line 3 string(7) "__dir__"