<?php
if(isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on')
$url = "https://";
else
$url = "http://";
// Append the host(domain name, ip) to the URL.
$url.= $_SERVER['HTTP_HOST'];
// Append the requested resource location to the URL
$url.= $_SERVER['REQUEST_URI'];
echo $url;
?>
(isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";