On Sat, 9 Jun 2001, Jamie Krasnoo wrote:
> The Eagle Books explanation of notes isn't very clear. Could someone point
> me to a page that explains it somewhat better? In what situation would it be
> beneficial to use them?
You use notes (or pnotes) when you want a kind of global variable that is
localised to the request, but also accessible to sub-requests. For
example, Apache::Request stores it's current instance in pnotes, so that
it's guaranteed to be unique to that request. If it were stored in a
global, it would be the same apr object in subrequests.
Use pnotes instead of notes when you either need to store a perl object,
or need to store binary nulls.
--
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