[thelist] Filtering an array in PHP for multiple criteria

Stephen Rider evolt_org at striderweb.com
Sun Jun 22 17:48:06 CDT 2008

On Jun 11, 2008, at 12:59 PM, Aaron Vegh wrote:

> Hi Matt,
>> Have you tried just looping through that array and doing a test on
>> category and toe values?
> Thanks for writing. Unfortunately that technique -- while brutishly
> simple :-) -- doesn't account for one thing I didn't mention: the
> search criteria are optional. So there may not be a value for toe
> type, for example, in which case the if statement would always fail.
> Neat thought, though; I hadn't considered it myself!

I would drop the various search criteria into an array -- but it's  
only added if there is a value there.  Then loop through the catalog,  
and for each catalog item, loop through the criteria array.  That way  
the catalog is only checked against criteria that actually have values.


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