Design Patterns in Laravel & PHP
In ths git repository you will find the Gang of Four patterns that go along with the book found at http://leanpub.com/larasign
You can checkout each branch to view the code. For example, if you wanted to checkout the iterator pattern.
git checkout iterator
Most code is stored in src/ directory. I did this on purpose so that you didn't have to go hunting in the app/ directory for code on a design pattern.