On Thu, Apr 28, 2011 at 10:30:43AM -0300, Martin Scotta wrote:
> Hey All,
> I'm really interested on this topic.
>
> What would be the result of this?
>
> function Foo foo($something) {
> if ( $something ) {
> return new Foo;
> }
> // no return implies return null
> }
>
> How do you force to return a Type with null allowed?
That is why I suggested, in addition to the above, a syntax like:
function (Foo | NULL) foo($something) {
to be able to specify where a function can return more than one type.
The 'extra' types/values are nearly always either NULL or FALSE.
Regards
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