Yup, I got the concept but couldn't find a real-life example. I guess I never had to deal with such type of functionality in any project, like holding big graphs of object relations.
Funny enough, Ocramius, a Doctrine core maintainer, voted against weak references feature 🤷♂️
Thanks for the comment!
We're a place where coders share, stay up-to-date and grow their careers.
We strive for transparency and don't collect excess data.