3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $ip = $_GET['ip'] ? $_GET['ip'] : $_SERVER['REMOTE_ADDR']; $proxies = array ( "anchorfree", "oi" ); foreach ( $proxies as $dns ) { if ( strpos ( $ip , $dns ) !== false ) { echo ( "Proxie ! ($dns)" ); return true; } } ?>
Output for 5.3.0 - 7.2.0
Notice: Undefined index: ip in /in/1c9vh on line 2 Notice: Undefined index: REMOTE_ADDR in /in/1c9vh on line 2
Output for 4.3.0 - 5.2.17
Notice: Undefined index: ip in /in/1c9vh on line 2 Notice: Undefined index: REMOTE_ADDR in /in/1c9vh on line 2