I learned about yield in PHP, and found a genuine use case for it (not a contrived example used in documentation).
I learned about output sections for PHP's Symfony framework
I learned that the latest piece of code is too tightly coupled, that I can't debug the unit tests successfully, and will need to raise a technical debt issue once I have it working.
I had a semi-productive week:
yieldin PHP, and found a genuine use case for it (not a contrived example used in documentation).Finding that first use of a new concept is an amazing feeling.