Shawn McKenzie wrote:
D.M.Jackson wrote:
Hi,
I'm trying to learn php mostly by reading the docs and pulling through
other peoples projects for reference examples. One particular application
I'm looking at has a ton of variables being handled through the SESSION
global variable, probably about 25 or so variables. That just seems like
alot.
Since I'm pretty new to php I was wondering if this was typical and
acceptable or if there was another best practice for maintaining large
amounts of information throughout a session, like maybe persisting a
temporary object in the database and passing a connection...or something.
Or is just passing around a pile of variables directly in the SESSION object
better?
Thanks,
Mark
There is no difference between using session vars and storing vars in a
file/db and retrieving them every page load yourself. It's really the
same thing except sessions are more automagic. The main differences are
that you of course reduce some overhead if you only need certain vars on
certain pages or if you need them infrequently then you can
store/retrieve them yourself.
As far as a large amount of large objects, if you don't need them every
page load then you may want to look at stuffing them in a db and only
retrieving then when needed.
Shawn's right, just start using them. I was reluctant when I first started using
PHP just because they seemed so special. Now, I use them for just about every
page in an application.
In fact, I'd like to session constants.
Al.........
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