protected function _getJson()
    {
        if ($this->_json) {
            return $this->_json;
        }

        return $this->_json = json_decode($this->_getBody(), true);
    }
protected function _getJson()
    {
        if ($this->_json) {
            return $this->_json;
        }

        return $this->_json = json_decode($this->_getBody(), true);
    }
protected function _getJson ( ) { if ( $ this -> _json ) { return $ this -> _json ; } return $ this -> _json = json_decode ( $ this -> _getBody ( ) , true ) ; }
Get the response body as JSON decoded data.

@return array|null
Get the response body as JSON decoded data .