C.R.Vegelin wrote:
> <?php
> $in = 4;
> calcpows($in, $pow2, $pow4);
> echo "in = $in pow2=$pow2 pow4=$pow4";
>
> // define return fields as &$...
> function calcpows($in, &$pow2, &$pow4)
> {
> $pow2 = $in * $in;
> $pow4 = $pow2 * $pow2;
> }
> ?>
>
> HTH
>
Thats a good example, and a good reason for passing values by Reference
instead of by Value.
I have found, however, that if I ever need to return /multiple/ values,
it's usually because of bad design and/or the lack of proper encapsulation.
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