In this video, we're going to discuss what the extract function refactor is, what code smells are an indication to use it, and then work through an example in PHP.

Links
1. Refactoring Book - amazon.com/Refactoring-Improving-Existing-Addison-Wesley-Signature/dp/0134757599/

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00:00 Intro
00:41 Code Smell
01:33 What Is the Extract Function Code Refactoring?
02:00 Example
03:25 What You Need To Know
03:16 Outro