3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo $_SERVER['SERVER_SOFTWARE'];
based on CWIPC
Output for 5.3.0 - 5.6.30, hhvm-3.10.1 - 3.21.3, 7.0.0 - 7.2.0
Notice: Undefined index: SERVER_SOFTWARE in /in/4nkUH on line 2
Output for hhvm-3.22.0
Notice: Undefined index: SERVER_SOFTWARE in /in/4nkUH on line -1
Output for 4.3.0 - 5.2.17
Notice: Undefined index: SERVER_SOFTWARE in /in/4nkUH on line 2