Hello,
Hello,
On Mon, Aug 4, 2008 at 6:57 AM, Stanislav Malyshev <[EMAIL PROTECTED]> wrote:
> Hi!
>
>> 1) I don't believe that having it thrown as another of those magic
>> method is a good idea. Rather, I'd like to have it represented by an
>> interface: Invokable. That way, type hints/checks can be done in user
>> land in a sane matter:
>
> We can have Invokable and even have Closure implement it, if there's need, I
> see no problem with it.
> However, I'm not sure we should *require* interface membership for __invoke
> to work - I do not see any added value in this.
I'm not sure I understand what you mean? Either the interface covers
__invoke and "$obj instanceof Invokable" is a safe check to know if we
can $obj();, or it doesn't and we know nothing.
>
>> 2) Do we really want __invoke's argument to be mapped to caller
>> arguments. Providing an array of arguments, ala __call(Static) sounds
>> more consistent.
>
> More "consistent" with what? __call is different from __invoke - __call is
> global interceptor (takes any function), __invoke is not. And you can easily
> convert it to array with function_get_args().
I agree, it's a feature that works "similarly" as __construct, and we
don't have __construct($args);
Additionally, it would require more work to distinguish:
$a = function($b,$c) { ... };
$a(1,2);
from
class A {
public function __invoke($args) {
}
}
$a = new A;
$a(1,2);
as we certainly don't want function($args){}.
In overall, there is no need to discuss that Interface much, as it
causes more problems than it solves.
But please check out the get_closure handler.
>
>> 3) Do we really want to allow both static and non-static versions of
>> __invoke ?
>> class A { public static function __invoke($args) { .. }} $a = new A;
>> $a(); being a static call to __invoke doesn't make much sense to me.
>
> I don't see how static __invoke may be useful. Anyone has a use case?
> --
> Stanislav Malyshev, Zend Software Architect
> [EMAIL PROTECTED] http://www.zend.com/
> (408)253-8829 MSN: [EMAIL PROTECTED]
>
>
--
Etienne Kneuss
http://www.colder.ch
Men never do evil so completely and cheerfully as
when they do it from a religious conviction.
-- Pascal
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