Micha,

Thanks for the explanation, you should consider doing the documentation
for PHP. I went to the PHP.net site and read both print_f() and
sprint_f() but it was not nearly as clear as your explanation - which is
why I asked you about it. In fact, the documentation at the PHP.net
site is considered abysmal by many newcomers, myself included.

Yes, based on your explanation, it seems that print_f() and sprint_f()
are very powerful functions that I would be well advised to learn more
fully. Thanks for taking the time to answer so completely. The great
thing is, every time I ask a question that is answered by someone much
more knowledgeable than I, I learn not just the answer to that
particular question, but the solution to future questions too. A case
in point. David Powers answered a previous post and included some code
for strrpos () and substr(), both of which I used to solve a new
problem. It is invaluable to rookies to have such a great resource in
the very generous veterans. Thanks to you all.

Best,

Brett