Symfony\Component\HttpKernel\HttpKernel::terminate PHP Method

    public function terminate(Request $request, Response $response)
    {
        $this->dispatcher->dispatch(KernelEvents::TERMINATE, new PostResponseEvent($this, $request, $response));
    }

 public function run()
 {
     $this->response = $this->kernel->handle($this->request);
     $this->response->send();
     $this->kernel->terminate($this->request, $this->response);
     return $this;
 }