3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(E_ALL); echo "Don't do this: $_SERVER[DOCUMENT_ROOT]";
Output for 5.2.3 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Don't do this:
Output for 4.3.0 - 5.2.2
Notice: Undefined index: DOCUMENT_ROOT in /in/78Cel on line 4 Don't do this: