Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:88262 Return-Path: Mailing-List: contact internals-help@lists.php.net; run by ezmlm Delivered-To: mailing list internals@lists.php.net Received: (qmail 53831 invoked from network); 16 Sep 2015 21:17:27 -0000 Received: from unknown (HELO lists.php.net) (127.0.0.1) by localhost with SMTP; 16 Sep 2015 21:17:27 -0000 Authentication-Results: pb1.pair.com smtp.mail=rowan.collins@gmail.com; spf=pass; sender-id=pass Authentication-Results: pb1.pair.com header.from=rowan.collins@gmail.com; sender-id=pass Received-SPF: pass (pb1.pair.com: domain gmail.com designates 209.85.212.182 as permitted sender) X-PHP-List-Original-Sender: rowan.collins@gmail.com X-Host-Fingerprint: 209.85.212.182 mail-wi0-f182.google.com Received: from [209.85.212.182] ([209.85.212.182:37584] helo=mail-wi0-f182.google.com) by pb1.pair.com (ecelerity 2.1.1.9-wez r(12769M)) with ESMTP id CA/32-41443-76CD9F55 for ; Wed, 16 Sep 2015 17:17:27 -0400 Received: by wicfx3 with SMTP id fx3so2606866wic.0 for ; Wed, 16 Sep 2015 14:17:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=user-agent:in-reply-to:references:mime-version :content-transfer-encoding:content-type:subject:from:date:to:cc :message-id; bh=BAWH5sOihtaQil/roGHCj+49qZXStjPf5TC5wALsl78=; b=QOcnRXxDs/h1S5H85bZJvzQTMSUwziJxdOEExtHfL8qMWajxHK9nz56rRm7zWtWt65 va7XwdB/f6RnixmjOBemOwniPqlZ0qERPtPzIICaieMSa3rRuQGvSIMzTbKbcWZCsjuf NYZlDP6Lu3Tnbj03HvUsAi+32/zPpZt6K67DVt750J4bXnfCwBxGv4EhJK8tdZRv9PWY xUJ1HV+47wBwzoNb8JLHBHuh8sfybX87ZXKrVv0eNuoFheNpdHJm5qQ4lgTK2gZRxn8b bjJDatJdQsrifkOyLIMHPWSLgj7GkhcumpgAZ+GVto23IQU1TzaIO7HLa9V14qD743+s JhZw== X-Received: by 10.194.236.200 with SMTP id uw8mr24899773wjc.126.1442438244325; Wed, 16 Sep 2015 14:17:24 -0700 (PDT) Received: from [192.168.0.6] (cpc68956-brig15-2-0-cust215.3-3.cable.virginm.net. [82.6.24.216]) by smtp.gmail.com with ESMTPSA id o10sm6432897wia.4.2015.09.16.14.17.23 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 16 Sep 2015 14:17:23 -0700 (PDT) User-Agent: K-9 Mail for Android In-Reply-To: <440C64A2-4B4F-4AEF-ACE3-F3A6637EBAB6@thesba.com> References: <8C74463E-DBA2-4015-8159-0B44D973387F@craigfrancis.co.uk> <55DE0907.6040904@gmail.com> <1F615BCD-1B9B-4C51-A210-869F1AA1F6E3@craigfrancis.co.uk> <55E5EBBF.6020803@gmail.com> <0BA3A129-D356-4781-B6DE-E2B5A7924AE2@craigfrancis.co.uk> <55E6EC36.6090301@gmail.com> <9AF329EC-99A5-412D-A52B-432627A5520F@gmail.com> <6F4D91EE-B56E-4B83-B1AF-598C3F6897FC@craigfrancis.co.uk> <55F07BA4.2000204@gmail.com> <55F6B911.9080400@gmail.com> <96BE7F01-D04B-483B-B1A3-B45CED6DFCDC@craigfrancis.co.uk> <55F6F08C.1020506@gmail.com> <0BEF6D82-CB5F-49F6-A3A4-3267924A0CDA@thesba.com> <55F72CA9.2060301@gmail.com> <09369945-76FE-4E08-9C2C-15FB0577AD27@thesba.com> <55F752E7.9070801@gmail.com> <55F9B4C7.3050700@gmail.com> <440C64A2-4B4F-4AEF-ACE3-F3A6637EBAB6@thesba.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Date: Wed, 16 Sep 2015 22:17:17 +0100 To: Robert Williams ,Stanislav Malyshev CC: internals Message-ID: <6EFD96D5-C9DB-436F-95AA-9AE3857F192D@gmail.com> Subject: Re: [PHP-DEV] PHP 7.1 - Address PHPSadness #28? From: rowan.collins@gmail.com (Rowan Collins) On 16 September 2015 21:03:42 BST, Robert Williams wrote: >looking at actual behavior of PHP, it’s clear that an undefined >variable behaves differently from one assigned null. One can easily >tell if a variable is null, but one can’t easily tell if a variable is >just not defined. This strikes me as close to self-contradictory - you can't easily tell the difference precisely because 99% of the time there is no difference. If you think an undefined variable shouldn't raise a notice, then let's discuss improvements to the way such messages are emitted so that it would be easier to adjust that behaviour. Regards, -- Rowan Collins [IMSoP]