Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:86026
Return-Path: <ppasindud@gmail.com>
Mailing-List: contact internals-help@lists.php.net; run by ezmlm
Delivered-To: mailing list internals@lists.php.net
Received: (qmail 98442 invoked from network); 29 Apr 2015 16:35:07 -0000
Received: from unknown (HELO lists.php.net) (127.0.0.1)
  by localhost with SMTP; 29 Apr 2015 16:35:07 -0000
Authentication-Results: pb1.pair.com smtp.mail=ppasindud@gmail.com; spf=pass; sender-id=pass
Authentication-Results: pb1.pair.com header.from=ppasindud@gmail.com; sender-id=pass
Received-SPF: pass (pb1.pair.com: domain gmail.com designates 209.85.223.180 as permitted sender)
X-PHP-List-Original-Sender: ppasindud@gmail.com
X-Host-Fingerprint: 209.85.223.180 mail-ie0-f180.google.com  
Received: from [209.85.223.180] ([209.85.223.180:33577] helo=mail-ie0-f180.google.com)
	by pb1.pair.com (ecelerity 2.1.1.9-wez r(12769M)) with ESMTP
	id D8/D0-26317-93801455 for <internals@lists.php.net>; Wed, 29 Apr 2015 12:35:05 -0400
Received: by iecrt8 with SMTP id rt8so46748271iec.0
        for <internals@lists.php.net>; Wed, 29 Apr 2015 09:35:03 -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=cvFHmeakf8AQdFH607Nui3kiRaXwcY6/PELJVxMQ1gM=;
        b=EicYnuVdTV2odUZ92s6187tfegU4rcO4hDc1skfD/YN4Sw1hb8edbBLtJUOd/Qnde5
         Mp6ES0SfgtZnZtaLEycRD6bAC9+AMLboNVeuc2Fo38OfYH4Ds0HagYxpojxc9YFIZHTe
         2fhNcn9EvwEjs0HSGl3/WeWcFsaCxkmbRQHQUNMIGpliDY1RiNYKStBpFFq4zsNrc0Qj
         HpxVy/U0+NBX5IbMWe2PLDFbO0K07rdjZKecBYZUapWysCAX3bCXdF0fHHeo1TF93CuI
         VVWBpb0rKlIY3v/szobspVRlW/CvFdoR39nM9XOA3p3vnJfagC0F1LT3Nw52kxNyzHTJ
         MIjA==
MIME-Version: 1.0
X-Received: by 10.50.102.68 with SMTP id fm4mr5369050igb.25.1430324875732;
 Wed, 29 Apr 2015 09:27:55 -0700 (PDT)
Received: by 10.36.3.75 with HTTP; Wed, 29 Apr 2015 09:27:55 -0700 (PDT)
In-Reply-To: <CAP9Mp8jwTuYUH9SujOKtFDeOqp9YEEpJeNRDn677O7h01e7y3Q@mail.gmail.com>
References: <54E35490.9040709@gmail.com>
	<5533A275.7050303@gmx.de>
	<55342724.6020606@gmail.com>
	<55342C8D.7020509@gmx.de>
	<55343F3E.3010307@gmail.com>
	<55350298.1000303@gmx.de>
	<CAP9Mp8jwTuYUH9SujOKtFDeOqp9YEEpJeNRDn677O7h01e7y3Q@mail.gmail.com>
Date: Wed, 29 Apr 2015 21:57:55 +0530
Message-ID: <CAP9Mp8ha2pErf=WPjEHfuKKjbLLhrWDFBUhXxJ+WFGsCvgnwxw@mail.gmail.com>
To: Stanislav Malyshev <smalyshev@gmail.com>
Cc: PHP Internals <internals@lists.php.net>, Christoph Becker <cmbecker69@gmx.de>
Content-Type: multipart/alternative; boundary=047d7b10c9f921b7ea0514df764d
Subject: Re: [PHP-DEV] Re: [RFC] Spaceship operator RFC
From: ppasindud@gmail.com (Pasindu De Silva)

--047d7b10c9f921b7ea0514df764d
Content-Type: text/plain; charset=UTF-8

Found something else today

http://3v4l.org/mO48q

echo [1, 2, 3] <=> []; // 1 but it gives 3

On Mon, Apr 20, 2015 at 7:29 PM, Pasindu De Silva <ppasindud@gmail.com>
wrote:

> Hi
> Found this while trying to do the documentation, Thought the same that it
> was a RFC mistake,
> therefore didn't put any examples. Will do the necessary documentation if
> this is the case.
>
> +1
> Pasindu
>
>
> On Mon, Apr 20, 2015 at 7:13 PM, Christoph Becker <cmbecker69@gmx.de>
> wrote:
>
>> Hi!
>>
>> Stanislav Malyshev wrote:
>>
>> > Ahh, I see. I think it's the mistake in the RFC. [...]
>>
>> Then it is probably best to fix the RFC. :)
>>
>> > I'm not a big fan of throwing too many notices. They are usually not
>> > very helpful an din this case it would be not easy to distinguish
>> > between intentional and unintentional use.
>>
>> <snip>
>>
>> > $a > $b being false is an artifact of how ">" works in the engine - $a >
>> > $b is essentially ($b < $a). Since in this case both $a > $b and $b >
>> > $a, the result of ($b < $a) is false. That's what you get when you
>> > compare non-well-ordered things...
>>
>> I get your point.  I suggest to amend the documentation[1] to make it
>> clear that comparing non-well-ordered values results in undefined
>> behavior (it might be best to treat the return value 1 in this case as
>> implementation specific).
>>
>> [1] <http://php.net/manual/en/language.operators.comparison.php>
>>
>> --
>> Christoph M. Becker
>>
>> --
>> PHP Internals - PHP Runtime Development Mailing List
>> To unsubscribe, visit: http://www.php.net/unsub.php
>>
>>
>
>
> --
>
> *Pasindu De Silva**ppasindud@gmail.com <ppasindud@gmail.com>*
>



-- 

*Pasindu De Silva**ppasindud@gmail.com <ppasindud@gmail.com>*

--047d7b10c9f921b7ea0514df764d--