On 17 June 2009 22:12, tedd advised:
> Hi gang:
>
> Here's the problem. Let's say you have a collection of
> arrays, such as:
>
> $a = array();
> $b = array();
> $c = array();
> $d = array();
>
> And then you populate the arrays like so:
>
> while(...)
> {
> $a[] = ...
> $b[] = ...
> $c[] = ...
> $d[] = ...
> }
>
> Now, let's say you want to sort the $d array, but you also want the
> arrays $a, $b, and $c to be arranged in the same resultant order as
$d.
>
> For example, please follow this:
>
> Before sort of $d:
> $a = [apple, banana, grape, orange]
> $b = [100, 2111, 198, 150]
> $c = [red, yellow, purple, orange]
> $d = [100, 300, 11, 50]
>
> After sort of $d:
> $a = [grape, orange, apple, banana]
> $b = [198, 150, 100, 2111]
> $c = [purple, orange, red, yellow]
> $d = [11, 50, 100, 300]
array_multisort($d, $a, $b, $c) should do what you want,
Cheers!
Mike
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