Apply phpcbf to all PHP

[lindner]

Here's what I fixed or added:

Ran phpcfbf on all files as per the instructions

Here's why I did it:

Checklist: ([x] to check/tick the boxes)

• This pull request addresses a single issue
• If this code includes interface changes, I've included screenshots in this Pull Request thread
• I've adhered to Known's style guide (these codesniffer rules might help!)
• My git branch is named in a descriptive way - i.e., yourname-summary-of-issue
• I've tested my code in-browser
• My code contains descriptive comments
• I've added tests where applicable, and...
• I can run the unit tests successfully.

[lindner]

review?

[benwerd]

LGTM. Thank you.