On Mon, 2008-02-18 at 18:06 -0800, Nick Stinemates wrote:
> 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.
You mean you've never had a function like getCoordinates()? Or
getUsers(), or any other of a zillion perfectly valid and reasonable
functions that return multiple values as an array? Wow, how odd!
Cheers,
Rob.
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