Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:10741
Mailing-List: contact internals-help@lists.php.net; run by ezmlm
Message-ID: <20040624015846.64770.qmail@pb1.pair.com>
To: internals@lists.php.net
Date: Wed, 23 Jun 2004 22:58:35 -0300
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.6) Gecko/20040113
MIME-Version: 1.0
References: <40DA29C3.1090301@velum.net>
In-Reply-To: <40DA29C3.1090301@velum.net>
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
Subject: Re: static/object method
From: accerqueira@superig.com.br (Andre Cerqueira)

Hi

I think it should be constructor's job to set up an instance with the 
defaults. (no need for static in this case)
Am i missing something?



Hans Lellelid wrote:
> Hi all,
> 
> I have a pattern I'm trying to implement in PHP5 using a class that 
> could be called statically or non-statically.  Perhaps "pattern" gives 
> this too much legitimacy :)  I can't figure out how to do this & wanted 
> to ask if a) it's possible at all and b) if there's been any solution 
> discussed for such an approach.
> 
> Here's what I'm trying to do, but can't figure out a way in PHP5 (or a 
> non-hack way in PHP4):
> 
> - AuthorFinder is a class that can be used statically for default 
> behavior or instantiated if customized behavior is needed.
> 
> static, default behavior, probably accounts for 80% of uses:
> 
> $c = new Criteria(Author::NAME, "Leo");
> $a = AuthorFinder::find($c);
> 
> instantiated behavior for performing customizations:
> 
> $c = new Criteria(Author::NAME, "Leo");
> $af = new AuthorFinder();
> $af->setLimit(5);
> $a = $af->find($c);
> 
> Is there *any* way to accomplish that in PHP5?  I can't reference $this 
> -- even to check isset() (which would probably be misleading anyway) 
> from inside a method declared as static.  If I do not declare the method 
> static then calling it statically triggers E_STRICT error which I want 
> to avoid since I'm writing PHP5 code.   Perhaps I'm missing an obvious 
> solution, in which case I apologize & probably should have asked 
> php-general.
> 
> It would be *really* cool if PHP could support this type of pattern, as 
> there have been a few cases where I've wanted to apply this in PHP5.  
> Perhaps this has already been discussed & I just didn't notice.
> 
> Thanks,
> Hans