On Tue, October 31, 2006 11:10 am, Keith Spiller wrote:
> RE: Sorting Multidimensional Array
>
> I'm trying to sort a multidimensional array. The data was taken from
> a mysql query:
>
> $myrow = mysql_fetch_row($result) {
> query[] = $myrow;
> }
>
> The purpose is to retrieve the table data and manually add a record,
> then sort ASC by the startdate which is the forth field...
>
> Something like:
>
> $test = array_multisort($query, $key = '$query[4]');
>
> Any help would be greatly appreciated. Thanks,
Don't do that. :-)
For starters, sorting in PHP is MUCH less efficient than in a DB.
Secondly, getting multi-dimensional (sic) arrays in PHP to sort like
you want generates a ton of traffic here, so it must be hard. :-)
You can do somethig like this:
(SELECT x, y, z FROM real_data
UNION
SELECT 'manually', 'inserted', 'data' as z
)
ORDER BY z
And achieve MUCH better results with far less headache.
If 'z' is indexed in real_data, add another ORDER BY z right before
the UNION -- That will probably make it very fast/easy for the DB to
splice in your manually-inserted 'z' value.
--
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I want you to buy a CD from some starving artist.
http://cdbaby.com/browse/from/lynch
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