3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php if(!empty($_SERVER['HTTP_CLIENT_IP'])){ $ip_addrs=$_SERVER['HTTP_CLIENT_IP']; echo '$ip_addrs'; }if(!empty($_SERVER['HTTP_X_FORWARDED_FOR'])){ $ip_addrs=$_SERVER['HTTP_X_FORWARDED_FOR']; echo '$ip_addrs';}
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Output for hhvm-3.10.0

Process exited with code 153.