Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:77506
Return-Path: <mike.php.net@gmail.com>
Mailing-List: contact internals-help@lists.php.net; run by ezmlm
Delivered-To: mailing list internals@lists.php.net
Received: (qmail 54707 invoked from network); 23 Sep 2014 07:38:40 -0000
Received: from unknown (HELO lists.php.net) (127.0.0.1)
  by localhost with SMTP; 23 Sep 2014 07:38:40 -0000
Authentication-Results: pb1.pair.com smtp.mail=mike.php.net@gmail.com; spf=pass; sender-id=pass
Authentication-Results: pb1.pair.com header.from=mike.php.net@gmail.com; sender-id=pass
Received-SPF: pass (pb1.pair.com: domain gmail.com designates 74.125.82.169 as permitted sender)
X-PHP-List-Original-Sender: mike.php.net@gmail.com
X-Host-Fingerprint: 74.125.82.169 mail-we0-f169.google.com  
Received: from [74.125.82.169] ([74.125.82.169:44101] helo=mail-we0-f169.google.com)
	by pb1.pair.com (ecelerity 2.1.1.9-wez r(12769M)) with ESMTP
	id 87/07-09206-E7321245 for <internals@lists.php.net>; Tue, 23 Sep 2014 03:38:39 -0400
Received: by mail-we0-f169.google.com with SMTP id k48so4126274wev.0
        for <internals@lists.php.net>; Tue, 23 Sep 2014 00:38:35 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=gmail.com; s=20120113;
        h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject
         :references:in-reply-to:content-type:content-transfer-encoding;
        bh=XWtqfOZnA1NxtwR1y/D9+BLAdGacL2TvIU0GwU2FXHc=;
        b=Dogb7BXs/FwbT9VoDnDUOf9SdRfDl3hvl1qssu8CV3t7cAihX5XJcMb72or3M/fxUP
         m6qySwGyH6pMpuvAEoHRoIwawGkR15O+xl0rY1fjtw+7jYWgeLRlEU8kAqNUJZcdIJ3+
         dLEQTcpVmtkJam9QkGS7RkzYzA7OCaSkKwTbY1LMI8kZvH02E17+SW7yTYVmo16/pV3J
         j+5wYtSAjrfYCmUNtcSnemt2uGsf3ytWcSPNH/extDB45l+2SmDHokW0QEnzPVc5DMZx
         WqdZ5iqNb4WeaKDX/0zjEk4SdZwsR0PD2jeR854hwI2N00HKp9seNxgKklt4GlsUKQFj
         kYxg==
X-Received: by 10.194.77.111 with SMTP id r15mr26543263wjw.27.1411457915819;
        Tue, 23 Sep 2014 00:38:35 -0700 (PDT)
Received: from [192.168.4.120] (178-18-170-101.customer.bnet.at. [178.18.170.101])
        by mx.google.com with ESMTPSA id w10sm14891162wje.10.2014.09.23.00.38.34
        for <multiple recipients>
        (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);
        Tue, 23 Sep 2014 00:38:35 -0700 (PDT)
Sender: Michael Wallner <mike.php.net@gmail.com>
Message-ID: <5421237A.8000707@php.net>
Date: Tue, 23 Sep 2014 09:38:34 +0200
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.1.0
MIME-Version: 1.0
To: Kris Craig <kris.craig@gmail.com>
CC: Sanford Whiteman <figureonecpr@gmail.com>, 
 PHP Internals <internals@lists.php.net>
References: <CAKOpQSyiCDEUDGhn50RuLL7ox_TJCCjD=4=qZ68OqbA5krXWkA@mail.gmail.com>	<CAA8DMBsjORWTDKDncgbrWZKHmrn-=VQaRgxSpwhKoRC-RmE=4w@mail.gmail.com>	<CAKOpQSx4FbBOyP+Q4NFrrVkRBGWdrZAfToVC6bvS_=wcpi2nrQ@mail.gmail.com>	<CAA8DMBstOx6Nfr0DPy5VMiJNrFwZLYz5SKo9rSu_6WQCEByhuA@mail.gmail.com>	<54212042.7060600@php.net> <CAKOpQSwn1NXYfeKTbO_sKExs7LeQWRvaTm8cmMRG_4xuOZD9Dw@mail.gmail.com>
In-Reply-To: <CAKOpQSwn1NXYfeKTbO_sKExs7LeQWRvaTm8cmMRG_4xuOZD9Dw@mail.gmail.com>
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit
Subject: Re: [PHP-DEV] [RFC] Change checkdnsrr() $type argument behavior
From: mike@php.net (Michael Wallner)

On 2014-09-23 09:30, Kris Craig wrote:
> 
> 
> On Tue, Sep 23, 2014 at 12:24 AM, Michael Wallner <mike@php.net
> <mailto:mike@php.net>> wrote:
> 
>     On 2014-09-23 06:00, Sanford Whiteman wrote:
>     >> What would happen is it'd throw an E_DEPRECATED for at least the
>     remainder
>     >> of 5.x, then throw the usual E_WARNING for a missing argument
>     starting in
>     >> 7.x with no default.
>     >
>     > Sounds OK to me now that I've noticed this:
>     >
>     >     https://bugs.php.net/bug.php?id=68081
>     >
>     > Pretty sure that's a sane report, and it's enough to make me say
>     > checkdnsrr() doesn't work now at all.
> 
> 
>     Given that this function is over 16 years old [1] and guessing that it
>     was used as a simple kind of email domain verification, I think
>     checkdnsrr() works as expected [2], [3].
> 
>     [1] http://marc.info/?l=php-internals&m=90222489331812&w=2
>     [2] http://tools.ietf.org/html/rfc2821#section-5
>     [3] http://tools.ietf.org/html/rfc5321#section-5.1
> 
>     --
>     Regards,
>     Mike
> 
> 
> Except that it doesn't work as expected because most devs (including
> myself) aren't readily familiar with posts from 1998.  And even if that
> were its purpose back then, that really has no relevance today, as the
> purpose and identity of PHP itself has evolved drastically since then.
> 
> If that really is a concern, though, then I would propose getting rid of
> checkdnsrr() altogether (or making it an alias of checkmxrr()) and
> creating a new general-purpose DNS lookup function that returns a
> boolean.  Of course, I really don't think that's necessary since this
> stuff from 16 years ago doesn't have any meaningful bearing on how it's
> being used today by modern PHP developers.

Phew, "modern" or rather "unaware" or "uneager to research"?
Anyway, I'm done with this topic; I don't see any reason for action,
except maybe, improving related documentation.


-- 
Regards,
Mike