PHP:
function pageURL()
{
$pageURL = 'http';
if(isset($_SERVER["HTTPS"])) 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;
}