$do = 'add';
switch($do)
{
case add:
        $addy = '195.248.190.27'; //Proxy addr
        $port = '3128'; //Proxy port
        $type = 'Anonymous'; //hope the proxy is anon
        $sock = fsockopen($addy, $port, $errno, $errstr, 30); //connect
        if(!$sock)
        {
                die('You sure this proxy is active??'); //could not connect
        }
        //Now test the proxy
        $test = 'GET http://38.119.187.37/procheck.php HTTP/1.1\r'; //this will forward the connection to a proxy check on the same server
        $test .= 'Host: 38.119.187.37:80\r';
        $test .= 'Connection: Close\r\r';
        fwrite($sock, $test);
        while(!feof($sock))
        {
                //if we get 38.119.187.37 back from the proxy its not anonymous
                if(fgets($sock, 128) == '38.119.187.37')
                {
                        $type = 'Transparent'; //change from anonymous to trans
                }
        }
        echo $type;
}
?>

$data = '';

$addy = '127.0.0.1'; //Proxy addr
$port = '8118'; //Proxy port

$sock = fsockopen($addy, $port, $errno, $errstr, 30) or die('You sure this proxy is active??');

$HTTP_Request  = "GET http://example.com:80/proxy/test.php HTTP/1.0\r";
$HTTP_Request .= "Host: example.com\r";
$HTTP_Request .= "Connection: Close\r\r";

fwrite($sock, $HTTP_Request);

while(!feof($sock)){
$data .= fread($sock, 512);
}

fclose($sock);

$pattern = "#(REMOTE_ADDR|HTTP_X_FORWARDED_FOR|HTTP_VIA).*?)#";

if(preg_match_all($pattern, $data, $matches)){

$num_of_matches = count($matches[0])-1;

for ($x = 0; $x <= $num_of_matches; $x++){
switch($matches[1][$x]){
case 'REMOTE_ADDR':
echo "The IP Address connecting to the web server is: {$matches[2][$x]}";
break;

case 'HTTP_X_FORWARDED_FOR':
echo "The proxy shows your IP Address is: {$matches[2][$x]}";
break;

case 'HTTP_VIA':
echo "The proxy software is: {$matches[2][$x]}";
break;
}
}
}

?>

echo "REMOTE_ADDR:{$_SERVER['REMOTE_ADDR']}";

if(isset($_SERVER['HTTP_X_FORWARDED_FOR']))
echo "HTTP_X_FORWARDED_FOR:".htmlentities($_SERVER['HTTP_X_FORWARDED_FOR']);

if(isset($_SERVER['HTTP_VIA']))
echo "HTTP_VIA:".htmlentities($_SERVER['HTTP_VIA']);

?>