Posted by Tony Marston on 06/25/06 13:52

"Tim Van Wassenhove" <timvw@users.sourceforge.net> wrote in message
news:e7ltu2$cjc$1@ikaria.belnet.be...
> On 2006-06-25, David Haynes <david.haynes2@sympatico.ca> wrote:
>> PHP5 has weak polymorphism but not true polymorphism in the sense that
>> it is used in OOP.
>
> So how would you define polymorphism? And what exactly are the
> differences between 'weak' and 'true' polymorphism?
>
> If i look at
> http://en.wikipedia.org/wiki/Polymorphism_%28computer_science%29
>
> "The concept of polymorphism applies to data types in addition to
> functions. A function that can evaluate to and be applied to values of
> different types is known as a polymorphic function.

Exactly! Same interface, different implementation.

--
Tony Marston

http://www.tonymarston.net
http://www.radicore.org

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