Over the lifecycle of just about every software project, technical debt, including dead code and dependencies, will accumulate. Zombie code can become a stumbling block to upgrading, refactoring, and maintaining your legacy code base, or worse, a potential security vulnerability. In this Talk, you’ll learn:

* How to use tools, including ones built into your IDE, to find and evaluate code usage
* How to “tombstone” code that /maybe/ isn’t completely dead
* How to use composer to identify outdated dependencies
* How to prevent having zombie code in your project in the first place


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