public function previous($key = null)
    {
        if (is_null($key)) {
            return $this->oldAttributes;
        }

        return $this->oldAttributes[$key];
    }
public function previous($key = null)
    {
        if (is_null($key)) {
            return $this->oldAttributes;
        }

        return $this->oldAttributes[$key];
    }
public function previous ( $ key = null ) { if ( is_null ( $ key ) ) { return $ this -> oldAttributes ; } return $ this -> oldAttributes [ $ key ] ; }
Get original attributes

@method previous

@param string $key

@return mixed
Get original attributes