Detect locale and alter url (redirect) to include locale

Question

What i want to do is, to detect the language of a users browser and redirect him to a page containing the locale in url.

I thought, the easiest way would be, to regi

Answer 1

Add, before your code:

public function onKernelRequest(GetResponseEvent $event)
{
    if (HttpKernelInterface::MASTER_REQUEST !== $event->getRequestType()) {
        return;
    }

    $request = $event->getRequest();
    if ($request->getRequestFormat() !== 'html') {
        return;
    }

    [CODE]