Hello Christian,
we've discussed this restriction before and the more i think over the
issue the more i come to the conclusion that if at all we should provide
this exact syntax.
regards
marcus
Tuesday, October 19, 2004, 11:42:22 AM, you wrote:
> Andi Gutmans wrote:
>> So one suggestion (also made a few months ago) was that the following:
>> function method(MyClass $obj = NULL);
>> would mark $obj as allowing NULL parameter.
> The only restrictions I see is that it makes the parameter optional as
> well (something I don't consider a problem as it is probably desirable
> in most cases anyway to be able to leave out an explicit null) and that
> it only works if no mandatory parameter follows, e.g.
> function method(MyClass $obj = null, $mandatory);
> is not possible. Not a real problem either IMHO.
> I still like this option more than anything else proposed here because
> it doesn't add new syntax and is simple to understand ("I can leave the
> parameter out then it will be null or I can pass null as I could also
> have left it out instead, otherwise I need to pass an object of MyClass").
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