public function paths($id = null)
    {
        if ($id !== null) {
            return $this->paths[$id];
        }

        return $this->paths;
    }
public function paths($id = null)
    {
        if ($id !== null) {
            return $this->paths[$id];
        }

        return $this->paths;
    }
public function paths ( $ id = null ) { if ( $ id !== null ) { return $ this -> paths [ $ id ] ; } return $ this -> paths ; }
Return URI path.

@param string $id

@return string|string[]
Return URI path .