Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:67362
Mailing-List: contact internals-help@lists.php.net; run by ezmlm
Received-SPF: pass (pb1.pair.com: domain gmail.com designates 209.85.216.171 as permitted sender)
MIME-Version: 1.0
In-Reply-To: <51896529.4030408@sugarcrm.com>
References: <CAEe4Dn8NUg3V-b2edENHcs6__TK1kx-sW16NiNF7-j9xNG8UMw@mail.gmail.com>
 <CADajX4AVpqRf6Lp4tqMXz7HVTxaDjgvhZiv63PrpbtsUXcb9vA@mail.gmail.com> <51896529.4030408@sugarcrm.com>
Date: Tue, 7 May 2013 17:37:37 -0300
Message-ID: <CAHpw9AempjkqGv8=TVhqfCksgD3wOJTJO7cWfOaZQ4G6F+2j_Q@mail.gmail.com>
To: Stas Malyshev <smalyshev@sugarcrm.com>
Cc: Adam Harvey <aharvey@php.net>, Thomas Anderson <zelnaga@gmail.com>, 
	PHP internals <internals@lists.php.net>
Content-Type: multipart/alternative; boundary=001a11c1de8edcb67b04dc26ca95
Subject: Re: [PHP-DEV] idea: implement a Comparable interface
From: drgomesp@gmail.com (Daniel Ribeiro)

--001a11c1de8edcb67b04dc26ca95
Content-Type: text/plain; charset=windows-1252
Content-Transfer-Encoding: quoted-printable

To me, it sounds that those extremely specific cases ask for a extremely
specific compareTo(stdClass) method.


Daniel Ribeiro Gomes Pereira
Twitter <https://twitter.com/#!/drgomesp> |
Facebook<https://www.facebook.com/profile.php?id=3D100000407054469>
 | LinkedIn <http://www.linkedin.com/pub/daniel-ribeiro-gomes/21/414/39>
iPhone: +55 (48) 9111-0931


2013/5/7 Stas Malyshev <smalyshev@sugarcrm.com>

> Hi!
>
> > I wrote https://wiki.php.net/rfc/comparable a couple of years ago =97
> > there's a patch there that would probably still apply without too much
> > work to master. About the only difference was that I didn't double
> > underscore the magic method (in line with both Java and PHP interfaces
> > like Countable).
>
> Overriding < and > isn't the biggest issue, even though BC issues with
> conversions may definitely be a surprise. Bug biggest one is =3D=3D, whic=
h
> may have a lot of very non-trivial effects if you make =3D=3D return
> "equals" when other functions (such as searches, hashes, etc.) may treat
> them as not equal. It is quite a complex thing which is rife with
> unexpected side effects, so I think it would be better if it were explici=
t.
>
> --
> Stanislav Malyshev, Software Architect
> SugarCRM: http://www.sugarcrm.com/
> (408)454-6900 ext. 227
>
> --
> PHP Internals - PHP Runtime Development Mailing List
> To unsubscribe, visit: http://www.php.net/unsub.php
>
>

--001a11c1de8edcb67b04dc26ca95--