How do I capture the whole URL using PHP?

Possible Duplicate:
PHP Get the Full URL
How do I capture the whole URL using PHP?

I would like to the whole of the URL including the _GET variable names and values, for example www.mywebsite.com/store.php?department=MENS

The code I have used below only gives me the URL without the _GET variable part.

$url = $_SERVER['SERVER_NAME']; 
$page = $_SERVER['PHP_SELF'];
$page = $_POST['url'];
echo "http://".$url.$page; 

All I would like is to be able to copy that URL exactly how it is.

---

function currenturl() {
$pageURL = 'http';
if ($_SERVER["HTTPS"] == "on") {$pageURL .= "s";}
$pageURL .= "://";
if ($_SERVER["SERVER_PORT"] != "80") {
$pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
} else {
$pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
}
return $pageURL;
}

simply do $url=currenturl(); that's it

---

$url = (!empty($_SERVER['HTTPS']))
    ? "https://".$_SERVER['SERVER_NAME'].$_SERVER['REQUEST_URI'] 
    : "http://".$_SERVER['SERVER_NAME'].$_SERVER['REQUEST_URI'];

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