Symfony internals and security

Symfony is a PHP framework that is recommended by many devs, as it focuses on best practices.

Let's see how it works behind the scene (in short).

Symfony is HTTP-centric

You may have already seen some calls to the Kernel in public/index.php.

When you open a page (e.g., the home page but other pages as well), the main index file calls the kernel which triggers a RequestEvent and calls resolvers to determine which controller matches the request (~ the …

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