How to Learn PHP Unit Testing With Katas

All PHP code gets tested. Most of it is tested by the developer when they check to make sure the webpage looks right in their browser; some when you run an API response tool, like Postman. Some of it is tested when that same developer writes automated tests and runs them against it---this is our focus. Sometimes code is first tested when the unfortunate client or user feels like using the feature and tests the developer's work. Hopefully, they're not disappointed.

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