Application::handleResponseBeforeSend

protected function handleResponseBeforeSend(Response $response): void
{
	$kernelSession = $this->getKernelSession();
	if (!($kernelSession instanceof KernelSessionProxy) && $kernelSession->isStarted())
	{
		//save session data in cookies
		$kernelSession->getSessionHandler()->setResponse($response);
		$kernelSession->save();
	}
}