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Date: Thu, 30 Jul 2009 18:10:12 +0400
Message-ID: <cd5680a20907300710h2d6df431hfd1e03c83fc95a4e@mail.gmail.com>
To: =?UTF-8?Q?Johannes_Schl=C3=BCter?= <johannes@schlueters.de>
Cc: Guilherme Blanco <guilhermeblanco@gmail.com>, PHP internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] Supporting ArrayObject in array_* functions
From: indeyets@gmail.com (Alexey Zakhlestin)

2009/7/30 Johannes Schl=C3=BCter <johannes@schlueters.de>:
> On Thu, 2009-07-30 at 00:08 -0300, Guilherme Blanco wrote:
>> What do you think about the possibility to support ArrayObject
>> instances in array_* functions?
>> If you all agreed on this, I can definately help to complete the
>> patch, but I need some initial guidance to finish at least the first
>> function.
>
> In general I'm for bringing Iterators/ArrayObject/.. on a line with
> arrays but please don't simply patch some functions but let's try to
> find a as consistent as possible global solution.
>
> Questions included there are of these kinds (just examples)
> - is that specific to ArrayObject or do we "need" interfaces like
>  "Sortable" or "Shuffable"
> - What should stuff like aray_merge(ArrayObject, array) do
> - Should we do this globally? (should ldap_set_option()
>  allow an ArrayObject as 3rd param?)
>
> Especially the latter shows that a proper solution might be not to patch
> individual functions but to introduce some form of abstraction from
> HashTables for "array operations" and then use that interface.
>
> Simply extending a few functions will end in a mess but looking around
> people seem to love these structures so improving them is good.

agreed.
the proper solution would be to define several interfaces, make
functions accept objects of these interfaces and then add some
"hacks", which would pretend, that array() implements these.

--=20
Alexey Zakhlestin
http://www.milkfarmsoft.com/
Sent from St Petersburg, Russian Federation