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Soon you're going to discover that making an ORM is not a simple or quick process. People use things that already exist for a reason. You do know that you don't need an entire "framework" just for database stuff, right? Libraries like Doctrine can be used just for their own features without you having to adopt all of Symfony too. There's... honestly, there's so much that needs to be said about what little you've posted that I don't even know where to start. Why can't you use an existing system for this?

And what I'm saying is, since your website cannot control the user's phone or the information the Vipps site stored in their browser, you can't log the user out. You being able to log out of Vipps does not mean that your site can make it happen for you.