Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:48830
Mailing-List: contact internals-help@lists.php.net; run by ezmlm
Received-SPF: pass (pb1.pair.com: domain gmail.com designates 209.85.160.170 as permitted sender)
DomainKey-Status: bad
DomainKey-Signature: a=rsa-sha1; c=nofws;
        d=gmail.com; s=gamma;
        h=mime-version:reply-to:in-reply-to:references:from:date:message-id
         :subject:to:cc:content-type:content-transfer-encoding;
        b=nlLc0ZlNAO6B2uOKDThHwdXegwDa85EL/ymp2J6XHoaYr09C9KeJ+ZZvxdA/wwoRJp
         KZImsfWbtEbFhvx87JiGuwyeXOyVoVvfTyCpaBGp5yGCk8avKwdZAaABTru9klvkmjV0
         kNKaAl0MoGaWSnb/0vaV9TkXpXpM/QDpo9Sqo=
MIME-Version: 1.0
Reply-To: RQuadling@googlemail.com
In-Reply-To: <16FA8F9A-E36B-4057-BBCC-D6CC9C8D6D8B@php.net>
References: <4C1A6B47.4060702@mohiva.com> <4C1A7400.6010800@sugarcrm.com> 
	<16FA8F9A-E36B-4057-BBCC-D6CC9C8D6D8B@php.net>
Date: Fri, 18 Jun 2010 17:18:24 +0100
Message-ID: <AANLkTilGKl7fZk9mfUiZ1UcmKk1vJ_jEDwkBs3tR3haJ@mail.gmail.com>
To: Melanie Rhianna Lewis <cyberspice@php.net>
Cc: Stas Malyshev <smalyshev@sugarcrm.com>, Christian Kaps <christian.kaps@mohiva.com>, 
	"internals@lists.php.net" <internals@lists.php.net>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
Subject: Re: [PHP-DEV] Type hinting
From: rquadling@gmail.com (Richard Quadling)

On 18 June 2010 15:13, Melanie Rhianna Lewis <cyberspice@php.net> wrote:
>
>
> On 17 Jun 2010, at 20:14, Stas Malyshev wrote:
>
>> Hi!
>>
>>> I know the discussion is about scalar type hints. But what is with a
>>> object type hint as base for all objects?
>>
>> When it makes sense to accept any object, regardless of the class, but n=
ot other types? I wonder if it's really a common use-case.
>
> Its useful in some patterns. =C2=A0For example suppose you have a pattern=
 where a class wraps another class. =C2=A0The wrapped class could be *any* =
class if you're modify the behaviour of some default methods (say doing som=
ething like a decorator pattern). =C2=A0Having a type hint that recognises =
object vs non objects is useful.
>
> Melanie
>
>
>
> --
> PHP Internals - PHP Runtime Development Mailing List
> To unsubscribe, visit: http://www.php.net/unsub.php
>
>

class::method(object $instance)

would certainly be useful.

Could this not be solved by internally extending all userland classes
(and whilst we are at this why not all internal classes) from a PHP
supplied empty class? Maybe stdClass?

scalar, array, class, interface, untyped class.

--=20
-----
Richard Quadling
"Standing on the shoulders of some very clever giants!"
EE : http://www.experts-exchange.com/M_248814.html
EE4Free : http://www.experts-exchange.com/becomeAnExpert.jsp
Zend Certified Engineer : http://zend.com/zce.php?c=3DZEND002498&r=3D213474=
731
ZOPA : http://uk.zopa.com/member/RQuadling