3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo $_SERVER["REMOTE_ADDR"]. "\n"; echo $_SERVER["REMOTE_HOST"]; ?>
Output for 5.3.0 - 7.1.0
Notice: Undefined index: REMOTE_ADDR in /in/KsV4S on line 2 Notice: Undefined index: REMOTE_HOST in /in/KsV4S on line 3
Output for 4.3.0 - 5.2.17
Notice: Undefined index: REMOTE_ADDR in /in/KsV4S on line 2 Notice: Undefined index: REMOTE_HOST in /in/KsV4S on line 3