PHP : Get current page url

get-current-page-url.php

/**
 *Get current page url
 *@param none
 *@return string [current page url]
**/ 
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;
}