3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $_SERVER['SERVER_ADDR'] ?>
Output for 5.3.0 - 7.1.0
Notice: Undefined index: SERVER_ADDR in /in/WhJLr on line 2
Output for 4.3.0 - 5.2.17
Notice: Undefined index: SERVER_ADDR in /in/WhJLr on line 2