Robert Cummings wrote:
> 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.
>
getCoordinates() would return a Point object
getUsers() would return a Group object...
Not rocket science ;)
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