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Date: Thu, 19 Feb 2004 16:24:55 +0100
Reply-To: Marcus Boerger <helly@php.net>
Message-ID: <49748001390.20040219162455@marcus-boerger.de>
To: Hans Lellelid <hans@velum.net>
Cc: Timm Friebe <thekid@thekid.de>,
	PHP Internals <internals@lists.php.net>
In-Reply-To: <4034D2ED.5010605@velum.net>
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Subject: Re: [PHP-DEV] Re: Static weirdness..
From: helly@php.net (Marcus Boerger)

Hello Hans,

Thursday, February 19, 2004, 4:14:53 PM, you wrote:


> Timm Friebe wrote:
>> On Wed, 2004-02-18 at 18:40, Hans Lellelid wrote:
>> 
>>>foreach($entities as $ent) {
>>>	$peer = $ent->getPeer(); // e.g. might be BookPeer
>>>	$peer->doSelect(new Criteria()); //static: BookPeer::doSelect()
>>>}
>> 
>> 
>> $m= new Reflection_Method($ent->getPeer(), 'doSelect');
>> $m->invoke(NULL, new Criteria());
>> 
>> /* untested */
>> 

> Yeah, I'm sure there's a way to get something like that to work also. 
> I'm not sure that's prefereable to call_user_func(), honestly -- and it 
> doesn't get around the basic problem which is that calling code needs to 
> know whether methods are static.

> I guess I'm not sure why this is necessary ...

> As Hartmut & Lukas mention, I don't know why the class consumer *needs* 
> to know that it's static.  Clearly internally there should be no 
> possibility of referencing $this.

> Also in my example the entire class is static -- i.e. all methods are 
> static -- but what about cases where one or two methods in a class are 
> static.  Now $a->methodName() will work for most but all of a sudden you 
> have to do $a::staticMethodName() for the static members.

> What I see as the workaround is creating static methods that aren't 
> marked as static -- e.g. that would address the issue in my example 
> above.  I think that's a lot worse than allowing invocation of static 
> methods using instances, however, because I do want developers who read 
> the API docs to know these are static functions.

I hope nobody wants such strange things. Calling a static method from
an instance is just one of the ways to get to the class of that method.


-- 
Best regards,
 Marcus                            mailto:helly@php.net