Testing legacy code
Note: This article was originally published at Planet PHP
on 30 July 2010.
Today we know about the benefits of Test Driven Development and normally also
start new projects using TDD. Most projects from the last couple of years
integrated this method in their daily development process, which often results
in in good code coverage results of 90% and above. But what about all the
other old projects, you still manage in your daily work?


