I've been following this discussion from the beginning. To be pointed, I think that the whole matter is rather a serious case of "overfunctionality".
Consider allowing a type hint such as function foo(MyClass $bar)
The only way I see that as being useful is to be able to assume that you can safely say $bar->DoSomething() from within your function WITHOUT FIRST HAVING TO write an if() statement that verifies that it is not null.
Even allowing null as a default parameter is somewhat disturbing. The programmer should ditch the typehint if he needs any behavior other than the one described above, and use a simple if() statement to find out if it is the correct class.
If it is deemed necessary to allow a NULL default parameter, then let's keep it simple - function foo(MyClass $bar = NULL)
IMHO, PHP has always been a language that can be used very simply, but still has the low-level power to accommodate all the other things that one wishes to accomplish. Let's keep it that way.
__________________________________________________________ Jason Garber President & Chief Technology Officer IonZoft, Inc. 814.742.8030 :: [EMAIL PROTECTED] :: http://IonZoft.com __________________________________________________________
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