$errorGraphDataLength = sizeof($this->_graphErrorData);
                $requestGraphDataLength = sizeof($this->_graphRequestData);
                if ($errorGraphDataLength < $requestGraphDataLength) {
                        foreach($this->_graphRequestData as $key => $value) {
                                if (!array_key_exists($key, $this->_graphErrorData)) {
                                        echo 'im in!';
                                        array_merge($this->_graphErrorData, array($key => 0));
                                }
                        }print_r($this->_graphErrorData);
                }