Oliver Klee

This will reduce the number of non-hidden files/directories. Like here: https://github.com/sebastianbergmann/phpunit/

This will help us find which parts of the code need more (or better) unit tests. https://dev.to/alfredbez/adding-infection-to-an-existing-project-and-publishing-the-results-to-gitlab-merge-requests-502n

Use dedicated classes instead of arrays with special keys

1

This will make the code more explicit and help static code analysis. Particularly, we should get rid of `compact`, `list` and family.

Rework the documentation

2

After reading this blog article, I think we should rework our documentation: https://www.divio.com/en/blog/documentation/ And this article about good READMEs: https://dbader.org/blog/write-a-great-readme-for-your-github-project https://documentation.divio.com/

Update the CONTRIBUTING file

7

It looks like this still leaves too many questions open.

Refactor the cache-related methods

1

We should have a field $cacheKeys.