Method getResponse

/**
 * Method to get a response object from a server response.
 *
 * @param   string  $content  The complete server response, including headers.
 *
 * @return  Response
 *
 * @since   1.7.3
 * @throws  InvalidResponseCodeException
 */
protected function getResponse($content)
{
    if (empty($content)) {
        throw new \UnexpectedValueException('No content in response.');
    }
    // Split the response into headers and body.
    $response = explode("\r\n\r\n", $content, 2);
    // Get the response headers as an array.
    $headers = explode("\r\n", $response[0]);
    // Set the body for the response.
    $body = empty($response[1]) ? '' : $response[1];
    // Get the response code from the first offset of the response headers.
    preg_match('/[0-9]{3}/', array_shift($headers), $matches);
    $code = $matches[0];
    if (!is_numeric($code)) {
        // No valid response code was detected.
        throw new InvalidResponseCodeException('No HTTP response code found.');
    }
    $statusCode = (int) $code;
    $verifiedHeaders = $this->processHeaders($headers);
    $streamInterface = new StreamResponse('php://memory', 'rw');
    $streamInterface->write($body);
    return new Response($streamInterface, $statusCode, $verifiedHeaders);
}