3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo $_SERVER['HTTP_HOST']; echo $_SERVER['SERVER_NAME'];
Output for 5.3.0 - 7.2.0
Notice: Undefined index: HTTP_HOST in /in/O9Kkv on line 3 Notice: Undefined index: SERVER_NAME in /in/O9Kkv on line 4
Output for 4.3.0 - 5.2.17
Notice: Undefined index: HTTP_HOST in /in/O9Kkv on line 3 Notice: Undefined index: SERVER_NAME in /in/O9Kkv on line 4