[pmwiki-users] SDV question...
Patrick R. Michaud
pmichaud at pobox.com
Fri Sep 22 15:27:37 CDT 2006
On Fri, Sep 22, 2006 at 04:19:18PM -0400, The Editor wrote:
> Sorry to ask a really simple question, but have not used the SDV
> function before.
> If I use this in a recipe, and declare it as global in the various
> functions I need it for, does this mean it can be reset as needed?
Depends on what you mean by "reset as needed".
> And I presume these variables
> are all set before any of the markup processing begins--whether they
> appear in a page, group, or local.config or wherever?
SDV is just a function like any other -- it doesn't have any
magic or spooky "action at a distance" effects. Writing
is the same as writing
if (!isset($SomeVar)) $SomeVar = 'value';
except the SDV version is a lot easier to write.
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