Cmfcmf\OpenWeatherMap::parseJson PHP Method

    private function parseJson($answer)
    {
        $json = json_decode($answer);
        if (json_last_error() !== JSON_ERROR_NONE) {
            throw new OWMException('OpenWeatherMap returned an invalid json object: ' . json_last_error_msg());
        }
        return $json;
    }