Since we are working to convert PHP tests to python, the style checker should warn about adding new PHP files
<rdar://problem/76112036>
Created attachment 424914 [details] Patch
The hammer here is a bit bigger than the one requested, but I think it's called for. This change will warn any time a PHP file is added or modified, but not when one is deleted.
Created attachment 426140 [details] Patch for landing
Committed r276082 (236594@main): <https://commits.webkit.org/236594@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 426140 [details].