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Theory and practice – migrating your legacy code into our modern test driven development world.
This document discusses strategies for migrating legacy PHP code to a more modern test-driven development approach. It begins with an introduction to legacy code and the agenda. It then discusses typical problems with legacy PHP projects, such as spaghetti code and lack of testing. The document provides strategies for introducing test-driven development practices like writing tests first, refactoring, and using fixtures. It emphasizes incremental changes over a full rewrite to safely evolve the code over time.
