Want to contribute to an open source project but don’t know where to begin? Don’t worry — with a bit of effort and dedication, you too can contribute to open source.

Customizing the WordPress link modal requires using JavaScript to modify the HTML and then bind your own events.

As it turns out, it’s easier than you’d expect it to be.

You may have a Byte Order Mark at the beginning of your wp-config.php file.

Because wp doctor checks are built on top of a foundational abstraction, it’s relatively straightforward for you to write your own custom check extending runcommand\Doctor\Checks\Check.

Photon is open source, and relatively straightforward to run locally.

With wp profile, you gain quick visibility into key performance metrics (execution time, query count, cache hit/miss ratio, etc.) to guide further debugging.

Some qualifying questions you can use to determine why your site is going down.

Using wp profile eval-file, you can mock, execute, and evaluate the request with a one-off file.

One of the check types included in wp doctor is File_Contents, or the ability to check all or a selection of WordPress files for a given regex pattern.