public function url($component = -1) {
        $active_url = URL::here();

        if ($component > -1) {
            return parse_url($active_url, $component);
        }
        return $active_url;
    }
public function url($component = -1) {
        $active_url = URL::here();

        if ($component > -1) {
            return parse_url($active_url, $component);
        }
        return $active_url;
    }
public function url ( $ component = - 1 ) { $ active_url = URL :: here ( ) ; if ( $ component > - 1 ) { return parse_url ( $ active_url , $ component ) ; } return $ active_url ; }
Get request URL

@access  public
@param   int     $component  URL parse_url component
@return  string
Get request URL