3v4l.org

run code in 200+ 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 - 7.2.0