Request::getSession and null return value.

[pplotka]

Request's method getSession can return null value, so when I tried call code like this: $request->getSession()->set(...) I got error:

Cannot call method set() on Symfony\Component\HttpFoundation\Session\SessionInterface|null.

I thought that checking if a request has sessions before call setter, resolve the problem, but unfortunately not. I created a repo which gives You a possibility to reproduce the problem:

https://github.com/plotek/symfony-phpstan

Possible workaround:

if ($request->hasSession()) {
    $session = $request->getSession();
    Assert::isInstanceOf($session, SessionInterface::class);
    $session->set('Test', 'Value');
}

[github-actions]

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