This was a really great introduction to an effective method of building reliable software. The print-out was a great idea, giving attendees something they can hold and hang up on their office walls, too.
Live coding is always difficult, and it would be nice if there were easier ways for attendees to follow along (e.g. each step in a separate branch?), especially for attendees that don't have all of the same IDE configurations (Jessica's PhpStorm imports namespaces automatically, but that's not a given for everyone).
Great talk with lot's of useful real-world examples. Now I have to update the project's I'm working on!
Excellent talk. I learned a number of things. 10/10.
very passionate about the PHP culture.