[thelist] Q on array manipulation, part 2...

joe stowaway at uklinux.net
Fri Jul 9 08:30:44 CDT 2004


jsWalter wrote:

>I have this...
>
>  // $recordCount - number of elements in this array
>  // $records - multi-dimensional array
>...
>
>I'm trying to pull just a particular "column" out of this array.
>
>Is there a more efficient way to do this?
>  
>
hi Walter

I can't think of any pre-defined functions to do what you want, but a 
shorter way of doing it might be:

$colNum = 2;

foreach($records as $rec)
    {
    $results[] = $rec[$colNum];
    }

Structurally its doing exactly the same as your example but involves 
less typing :)

joe


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