public function getPlain($key = false)
    {
        if ($key) {
            if (isset($this->plain[$key])) {
                return $this->plain[$key];
            } else {
                return null;
            }
        } else {
            return $this->plain;
        }
    }
public function getPlain($key = false)
    {
        if ($key) {
            if (isset($this->plain[$key])) {
                return $this->plain[$key];
            } else {
                return null;
            }
        } else {
            return $this->plain;
        }
    }
public function getPlain ( $ key = false ) { if ( $ key ) { if ( isset ( $ this -> plain [ $ key ] ) ) { return $ this -> plain [ $ key ] ; } else { return null ; } } else { return $ this -> plain ; } }
provides access to the plain array

@param bool $key
@return array|mixed
provides access to the plain array