public function getRaw($key = null){
        if(null === $key){
            return $this->_data;
        }
        else{
            return isset($this->_data[$key])?$this->_data[$key]:null;
        }
    }
public function getRaw($key = null){
        if(null === $key){
            return $this->_data;
        }
        else{
            return isset($this->_data[$key])?$this->_data[$key]:null;
        }
    }
public function getRaw ( $ key = null ) { if ( null === $ key ) { return $ this -> _data ; } else { return isset ( $ this -> _data [ $ key ] ) ? $ this -> _data [ $ key ] : null ; } }
Get raw data

@param string $key
@return mixed
Get raw data