IP주소 알아내기.php
<?php function getRealIpAddr() { if (!empty($_SERVER['HTTP_CLIENT_IP'])) //check ip from share internet { $ip=$_SERVER['HTTP_CLIENT_IP']; } elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) //to check ip is pass from proxy { $ip=$_SERVER['HTTP_X_FORWARDED_FOR']; } else { $ip=$_SERVER['REMOTE_ADDR']; } return $ip; } echo "your IP address is ".getRealIpAddr()."<BR>"; ?>
같은 것인데 더 짧게…
<?php $domain=$_SERVER['REMOTE_ADDR']; $domain1 = isset($_SERVER['HTTP_X_FORWARDED_FOR']) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : $_SERVER['REMOTE_ADDR']; echo "Viewer Server's (Remote) IP Address: <strong>$domain</strong> - "; echo "Viewer Real (Local-Machine) IP Address: <strong>$domain1</strong>"; ?>