Testing Legacy Code: Safe Refactoring - Katy Ereira - PHP UK 2020

This talk focuses on strategies for modernizing legacy code to enhance its testability without compromising existing functionality. The speaker discusses techniques for refactoring code, introducing unit tests, and employing design patterns that foster better testing practices. Key topics include understanding legacy systems, implementing incremental updates, and ensuring backward compatibility while creating a robust testing framework. Attendees will gain insights into managing legacy code effectively and making it more maintainable and reliable.