3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $ip_address = $_SERVER['REMOTE_ADDR']; //whether ip is from share internet if (!empty($_SERVER['HTTP_CLIENT_IP'])) { $ip_address=$_SERVER['HTTP_CLIENT_IP']; } //whether ip is from proxy elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) { $ip_address=$_SERVER['HTTP_X_FORWARDED_FOR']; } //whether ip is from remote address else { $ip_address = $_SERVER['REMOTE_ADDR']; } echo $ip_address; ?>
Output for 5.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Notice: Undefined index: REMOTE_ADDR in /in/6T4MZ on line 3 Notice: Undefined index: REMOTE_ADDR in /in/6T4MZ on line 19
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.2.17
Notice: Undefined index: REMOTE_ADDR in /in/6T4MZ on line 3 Notice: Undefined index: REMOTE_ADDR in /in/6T4MZ on line 19