<?php
function curPageURL() {
	$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;
}

echo curPageURL();
?>