function HTTPS_Post($URL, $dat, $referrer="")
{
// parsing the given URL
$URL_Info=parse_url($URL);

// Building referrer
if($referrer=="") // if not given use this script as referrer
$referrer=$_SERVER["SCRIPT_URI"];

// making string from $data
foreach($dat as $key=>$value) $values[]="$key=".urlencode($value);
$data_string=implode("&",$values);

// Find out which port is needed - if not given use standard (=443)
if(!isset($URL_Info["port"])) $URL_Info["port"] = 80;

// building POST-request:
$request.="POST ".$URL_Info["path"]." HTTP/1.1\n";
$request.="Host: ".$URL_Info["host"]."\n";
$request.="Referer: $referer\n";
$request.="Content-type: application/x-www-form-urlencoded\n";
$request.="Content-length: ".strlen($data_string)."\n";
$request.="Connection: close\n";
$request.="\n";
$request.=$data_string."\n";

$result = '';
if ($fp = fsockopen("ssl://" . $URL_Info["host"], $URL_Info["port"],
$errno, $errstr, 2.0))
{
fputs($fp, $request);
$started = time;
while((!feof($fp)) and ((time - $started) < 5))
{
$result .= @fgets($fp, 128);
}
fclose($fp);
}
return $result;
}