New answers tagged php
Take a look at SonarQube. It has some good code complexity metrics. Since code complexity generally translates to test-ability, it will give you a good idea which areas of the code need refactoring. It also gives you some metrics on unit-test coverage. I find the historical aspect of this metric to be helpful. As code is added and/or refactored, I like ...
How about the PHP Mess Detector, it generates all kinds of metrics about the code. Although its focus is not test-ability I think cleaning up the "mess" will lead to much better testable code. Since its a rules based system and open-source you could add more rules that are test-ability specific, maybe its possible to borrow rules from other products.
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