Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:62868 Return-Path: Mailing-List: contact internals-help@lists.php.net; run by ezmlm Delivered-To: mailing list internals@lists.php.net Received: (qmail 51067 invoked from network); 6 Sep 2012 14:47:56 -0000 Received: from unknown (HELO lists.php.net) (127.0.0.1) by localhost with SMTP; 6 Sep 2012 14:47:56 -0000 Authentication-Results: pb1.pair.com smtp.mail=morrison.levi@gmail.com; spf=pass; sender-id=pass Authentication-Results: pb1.pair.com header.from=morrison.levi@gmail.com; sender-id=pass Received-SPF: pass (pb1.pair.com: domain gmail.com designates 209.85.217.170 as permitted sender) X-PHP-List-Original-Sender: morrison.levi@gmail.com X-Host-Fingerprint: 209.85.217.170 mail-lb0-f170.google.com Received: from [209.85.217.170] ([209.85.217.170:55705] helo=mail-lb0-f170.google.com) by pb1.pair.com (ecelerity 2.1.1.9-wez r(12769M)) with ESMTP id 71/69-03079-A97B8405 for ; Thu, 06 Sep 2012 10:47:55 -0400 Received: by lbbgp3 with SMTP id gp3so1254184lbb.29 for ; Thu, 06 Sep 2012 07:47:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=59oYMXjFiIDnYTj9uvUaazj30grbi1CqsUuUqF9SSG8=; b=lE1OrbQIxQ+mYu+crw5jr/9tsyk0v9Azh/Pq/HtBlhaK8algrC+rSDZ49Vtt3cwBd5 9obXdllu7Zva8Q9/QmV5gGmicAV2cAMQfLyBxDF3h7jEEPjiDTyQ5wUPiTxAhhR3P1Ny LVhX9nvnyiUT89yDhpHEXsbubaA4rNNFqHx/a9uWSX4mj1EtsuTfL+a3okGpLzyWp/B+ qep30OAl1/NBOA5jFaBooTE06iCVOXw4rttaK4BBqcn9cOvyTscFaGhnAXZ5qBbLZTeh 6X4aBiBAL09rTLqFEkZ6LEzv5U/p8Wg7SGaxxudK5RsFjHEu7SLZ6tyYGlU9r6XnQYzS 3zCA== MIME-Version: 1.0 Received: by 10.112.17.163 with SMTP id p3mr911125lbd.83.1346942872081; Thu, 06 Sep 2012 07:47:52 -0700 (PDT) Received: by 10.112.48.39 with HTTP; Thu, 6 Sep 2012 07:47:51 -0700 (PDT) In-Reply-To: <5045AA9B.5080703@sugarcrm.com> References: <5045AA9B.5080703@sugarcrm.com> Date: Thu, 6 Sep 2012 08:47:51 -0600 Message-ID: To: Stas Malyshev Cc: PHP Internals Content-Type: text/plain; charset=ISO-8859-1 Subject: Re: [PHP-DEV] On BC and interfaces From: morrison.levi@gmail.com (Levi Morrison) On Tue, Sep 4, 2012 at 1:15 AM, Stas Malyshev wrote: > > Hi! > > Given many discussions on the list about changing stuff in PHP, I'd like > to bring everybody's attention to comment by Linus Torvalds in this > topic: https://plus.google.com/115250422803614415116/posts/hMT5kW8LKJk > > It talks about Linux kernel and discussion has next to nothing to do > with PHP, but generic point about keeping the interfaces and importance > of not serving one use case I think very important for all widely used > platforms equally. I think the opinion of the author of one of the most > successful platforms in recent history may be interesting to consider. > -- > 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 > Good find, Stas. I would like to quote a portion of it: > One of the core kernel rules has always been that we never ever > break any external interfaces. That rule has been there since day > one, although it's gotten much more explicit only in the last few years. > The fact that we break internal interfaces that are not visible to userland > is totally irrelevant, and a total red herring. Basically we shouldn't break any interfaces that are user-facing but we are free to change things internally as much as we want as long as the external interface is honored.