bbaetz at student.usyd.edu.au
Wed Sep 18 23:26:22 UTC 2002
On Thu, 19 Sep 2002, Gervase Markham wrote:
> Bradley Baetz wrote:
> > What you also may not know is that global variables suck, and that the
> > global version hash will be removed at some point :)
> But in the mean time, you shouldn't reinvent the wheel by re-adding this
> data to it in your CGIs.
Right, but if you add more stuff, expect be to be annoyed, mainly because
it usually means a resdesign to fix...
> > The reason for this is that this affects mod_perl'isation, with the gloabl
> > var and so on.
> Global variables are OK in mod_perl if they get emptied at the beginning
> of each execution, right? So surely, if all our global variables are
> part of $vars, that means we only have to empty/nullify one variable :-)
Sure. Where do you do that? Remember, the |require globals.pl| won't be
run on every request....
(Yes, you can register a cleanup hook for mod_perl, and reset it there.
Lets just not go there.)
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