Design patterns in popular Open Source projects?

Question

PHP

Can someone provide a list of common design patterns in Open Source projects? Like symfony or laravel ?
For example, I would like to look at the implementation of the Factory, Builder, Prototype, Adapter, Decorator, Observer, etc. patterns. in these projects.

Answer 1

Here is such a cool link https://refactoring.guru/en/design-patterns

Answer 2

About patterns in symfony