[ptx]

I was mostly responding to the idea in an ancestor comment that PHP has unusually good documentation (better than that of other languages), "best of all" having comments.

I'm sure the PHP documentation is getting better all the time! Other languages also have good documentation, though. And as pushpop said in an earlier comment, the reason that the comments were useful historically is that the documentation was not always correct or complete. (Perhaps in part because the the language used to have a lot more unintended quirks?)