Jyxo\Rpc\Client::process PHP Method

    protected function process(string $contentType, string $data) : string
    {
        // Server address must be defined
        if (empty($this->url)) {
            throw new \BadMethodCallException('No server address was provided.');
        }
        // Headers
        $headers = ['Content-Type: ' . $contentType, 'Content-Length: ' . strlen($data)];
        $defaultCurlOptions = [CURLOPT_URL => $this->url, CURLOPT_RETURNTRANSFER => true, CURLOPT_CONNECTTIMEOUT => 0, CURLOPT_TIMEOUT => $this->timeout, CURLOPT_HTTPHEADER => $headers, CURLOPT_POSTFIELDS => $data];
        $curlOptions = $this->curlOptions + $defaultCurlOptions;
        // Open a HTTP channel
        $channel = curl_init();
        foreach ($curlOptions as $key => $value) {
            curl_setopt($channel, $key, $value);
        }
        // Send a request
        $response = curl_exec($channel);
        // Error sending the request
        if (0 !== curl_errno($channel)) {
            $error = curl_error($channel);
            curl_close($channel);
            throw new Exception($error);
        }
        // Wrong code
        $code = curl_getinfo($channel, CURLINFO_HTTP_CODE);
        if ($code >= 300) {
            $error = sprintf('Response error from %s, code %d.', $this->url, $code);
            curl_close($channel);
            throw new Exception($error);
        }
        // Close the channel
        curl_close($channel);
        // Return the response
        return $response;
    }