Doctrine\OrientDB\Binding\Adapter\CurlClientAdapter::request PHP Method

    public function request($method, $location, array $headers = null, $body = null)
    {
        if ($headers) {
            foreach ($headers as $k => $v) {
                $this->client->setHeader($k, $v);
            }
        }
        switch (strtoupper($method)) {
            case 'POST':
            case 'PUT':
            case 'PATCH':
                $response = $this->client->{$method}($location, $body);
                break;
            default:
                $response = $this->client->{$method}($location);
                break;
        }
        return new CurlClientAdapterResult($response);
    }