On 02/10/2007, David Zülke <[EMAIL PROTECTED]> wrote:
> would it be possible to overload final classes?
>
> - David
>
>
> Am 02.10.2007 um 11:32 schrieb Sebastian Bergmann:
>
> > From [1]:
> >
> > Objective-C permits a class to wholly replace another class
> > within a
> > program. The replacing class is said to "pose as" the target class.
> > All messages sent to the target class are then instead received by
> > the posing class.
> >
> > There are several restrictions on which classes can pose:
> >
> > * A class may only pose as one of its direct or indirect
> > superclasses.
> >
> > [The other restrictions do not apply to PHP]
> >
> > Earlier this year, Johannes implemented class posing for PHP as
> > follows:
> >
> > <?php
> > class Foo {}
> > class Bar extends Foo {}
> >
> > function new_overload($className)
> > {
> > if ($className == 'Foo') {
> > return new Bar;
> > }
> >
> > // ...
> > }
> >
> > $o = new Foo;
> > // $o is an object of Foo.
> >
> > register_new_overload('new_overload');
> >
> > $o = new Foo;
> > // $o is an object of Bar.
> > ?>
> >
> > We (Johannes, Marcus, Sara, and myself) then discussed where to
> > put this
> > functionality. Outside of core, there were two places that both make
> > sense: pecl/operator and pecl/runkit.
> >
> > However, to make this a viable mechanism that can be used in tools
> > such
> > as PHPUnit (for which I could really use this functionality), we
> > agreed
> > that it actually belongs into the core.
> >
> > Opinions? Needless to say that I would love to see this in PHP
> > 5.3 ;-)
> >
> > --
> > [1] http://en.wikipedia.org/wiki/Objective_C#Posing
You're code looks like a factory. Is that your intention? Maybe
__factory would be a more obvious name?
--
-----
Richard Quadling
Zend Certified Engineer : http://zend.com/zce.php?c=ZEND002498&r=213474731
"Standing on the shoulders of some very clever giants!"
