current_url() and HTTPS?

[eluser]jeffpeck[/eluser]
I used $_SERVER['HTTPS'], and your substr parameters were correct. Thanks.

Code:

function current_url()
    {
        $CI =& get_instance();
        $url = $CI->config->site_url($CI->uri->uri_string());
        
        if ($_SERVER['HTTPS'] == 'on')
            $url = substr($url, 0, 4).'s'.substr($url, 4);
            
        return $url;
    }