But maybe Symfony would be something like Linux Debian, has all the building blocks, it's modern but stable and well documented. Laravel is like Linux Ubuntu, it bases many things on Debian, but adds many things to make stuff a bit easier for the user. It's "shinier" and it has better marketing. You can add Debian stuff to Ubuntu, but you can't necessarily add Ubuntu stuff to Debian.
Symfony is more modular, you can add the components to any PHP project. Whereas Laravel uses many Symfony components and adds some syntactic sugar, but once you go into Laravel, it's difficult to stray away too far from the "Laravel way". Laravel uses many Symfony components, but Symfony can't easily use Laravel components.
Self-hosted Wordpress would maybe be comparable to a rooted Android phone. It has a very specific use case (for Wordpress it's fundamentally a Content Management System). You can add all sorts of plugins and additions. But it's also easy to accidentally break something. And once you added too many things, it might be difficult to update without breaking many things.
In the end, they're all Linux based, but living in very different ecosystems (just as Symfony, Laravel and Wordpress are PHP-based).
In programming terms, Symfony might be similar to Django (Python) or Spring Boot (Java), whereas Laravel is "cousins" with Ruby on Rails.
I'm having some trouble finding analogies.
But maybe Symfony would be something like Linux Debian, has all the building blocks, it's modern but stable and well documented. Laravel is like Linux Ubuntu, it bases many things on Debian, but adds many things to make stuff a bit easier for the user. It's "shinier" and it has better marketing. You can add Debian stuff to Ubuntu, but you can't necessarily add Ubuntu stuff to Debian.
Symfony is more modular, you can add the components to any PHP project. Whereas Laravel uses many Symfony components and adds some syntactic sugar, but once you go into Laravel, it's difficult to stray away too far from the "Laravel way". Laravel uses many Symfony components, but Symfony can't easily use Laravel components.
Self-hosted Wordpress would maybe be comparable to a rooted Android phone. It has a very specific use case (for Wordpress it's fundamentally a Content Management System). You can add all sorts of plugins and additions. But it's also easy to accidentally break something. And once you added too many things, it might be difficult to update without breaking many things.
In the end, they're all Linux based, but living in very different ecosystems (just as Symfony, Laravel and Wordpress are PHP-based).
In programming terms, Symfony might be similar to Django (Python) or Spring Boot (Java), whereas Laravel is "cousins" with Ruby on Rails.