Getting headers from server to discover your browse ip

<pre>

YOUR INFO ----

HTTP_USER_AGENT => <? print getenv("HTTP_USER_AGENT") . "\n"; ?>
HTTP_CLIENT_IP => <? print getenv("HTTP_CLIENT_IP") . "\n"; ?>
HTTP_X_FORWARDED_FOR => <?print getenv("HTTP_X_FORWARDED_FOR") . "\n"; ?>
SERVER HTTP_X_FORWARDED_FOR => <? print $_SERVER['HTTP_X_FORWARDED_FOR'] . "\n"; ?>
REMOTE_ADDR: => <? print getenv("REMOTE_ADDR") . "\n"; ?>
SERVER REMOTE_ADDR => <? print $_SERVER['REMOTE_ADDR'] . "\n"; ?>
SERVER_VARS => <? print $HTTP_SERVER_VARS ['REMOTE_ADDR'] . "\n"; ?>
HTTP_X_FORWARDED => <? print getenv("HTTP_X_FORWARDED") . "\n"; ?>
SERVER HTTP_X_FORWARDED => <? print $_SERVER['HTTP_X_FORWARDED'] . "\n"; ?>
HTTP_FORWARDED => <? print getenv("HTTP_FORWARDED") . "\n"; ?>
SERVER HTTP_FORWARDED =>  <? print $_SERVER['HTTP_FORWARDED'] . "\n"; ?>
HTTP_VIA => <? print getenv("HTTP_VIA") . "\n"; ?>
SERVER HTTP_VIA => <? print $_SERVER['HTTP_VIA'] . "\n"; ?>
HTTP_PROXY_CONNECTION =>  <? print getenv("HTTP_PROXY_CONNECTION") . "\n"; ?>
SERVER HTTP_PROXY_CONNECTION => <? print $_SERVER['HTTP_PROXY_CONNECTION'] . "\n"; ?>

<?php
//Find the IP of the visitor
     if (getenv("HTTP_CLIENT_IP") && strcasecmp(getenv("HTTP_CLIENT_IP"), "unknown"))
     {
        $rip = getenv("HTTP_CLIENT_IP");
     }
     else if (getenv("HTTP_X_FORWARDED_FOR") && strcasecmp(getenv("HTTP_X_FORWARDED_FOR"), "unknown"))
     {
        $rip = getenv("HTTP_X_FORWARDED_FOR");
     }
     else if (getenv("REMOTE_ADDR") && strcasecmp(getenv("REMOTE_ADDR"), "unknown"))
     {
        $rip = getenv("REMOTE_ADDR");
     }
     else if (isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], "unknown"))
     {
        $rip = $_SERVER['REMOTE_ADDR'];
     }
     else
     {
        $rip = "unknown";
     }

//Display the IP of the Visitor
echo "Your IP is $rip";
?>

</pre>