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Date: Sun, 04 Jun 2006 08:14:46 -0700
To: Marcus Boerger <helly@php.net>
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Subject: Re: [PHP-DEV] Missing __toString() part
From: andi@zend.com (Andi Gutmans)

At 08:08 AM 6/4/2006, Marcus Boerger wrote:
>Hello Andi,
>
>   it was your own argument that the id itself is not unique when some
>time ago somebody wanted to have access to that id from userland. And
>it is also the reason for SplObjectStorage the way it is today.

The object id itself is not unique, but coupled with the class name 
it is. All this means is that the unique id has to be a string and 
not a number. I mentioned in the past that it'd be a problem to have 
a number as the unique id.

>By 'it hash' nothing to do with hash' i mean that the classname does
>not belong into a hash.

My point is that the string "ClassName#id" is what would be the 
unique identifier. e.g. that's what toKey() would return (assuming 
we'd want such a method).

Andi