3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?=$HTTP_SERVER_VARS["REMOTE_ADDR"]?>
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: HTTP_SERVER_VARS in /in/cX3J7 on line 1
Output for 4.3.0 - 5.3.29
<?=$HTTP_SERVER_VARS["REMOTE_ADDR"]?>