Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:51878 Return-Path: Mailing-List: contact internals-help@lists.php.net; run by ezmlm Delivered-To: mailing list internals@lists.php.net Received: (qmail 54184 invoked from network); 12 Apr 2011 11:40:49 -0000 Received: from unknown (HELO lists.php.net) (127.0.0.1) by localhost with SMTP; 12 Apr 2011 11:40:49 -0000 Authentication-Results: pb1.pair.com smtp.mail=rquadling@gmail.com; spf=pass; sender-id=pass Authentication-Results: pb1.pair.com header.from=rquadling@gmail.com; sender-id=pass; domainkeys=bad Received-SPF: pass (pb1.pair.com: domain gmail.com designates 209.85.216.42 as permitted sender) DomainKey-Status: bad X-DomainKeys: Ecelerity dk_validate implementing draft-delany-domainkeys-base-01 X-PHP-List-Original-Sender: rquadling@gmail.com X-Host-Fingerprint: 209.85.216.42 mail-qw0-f42.google.com Received: from [209.85.216.42] ([209.85.216.42:62698] helo=mail-qw0-f42.google.com) by pb1.pair.com (ecelerity 2.1.1.9-wez r(12769M)) with ESMTP id 15/B0-50366-04A34AD4 for ; Tue, 12 Apr 2011 07:40:48 -0400 Received: by qwi4 with SMTP id 4so4098877qwi.29 for ; Tue, 12 Apr 2011 04:40:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:reply-to:in-reply-to:references :from:date:message-id:subject:to:cc:content-type; bh=g4ijjMGBPAhmgKTRNI3FgZtt5Lo85auSvxlWZvk78tk=; b=Wxq32GqHNlZQ093ZCQK0qVKfiHliC8bs5nhTOkZvz8VN9p7IoMb0RoxTQbDm7WtRyJ DjyyNDhDGppnljmuiCc/nGLOp34d4HgMqAsiFQ6rdBr/zJJuQi8K9496wj+gmXpskDZ6 M+3i/cdXVo8rly02OpirliTb6r/p/nDA/j5Wg= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:reply-to:in-reply-to:references:from:date:message-id :subject:to:cc:content-type; b=Oghyjxrak9s8Q4nfnrFo/CVdAPQxY8yMzUTFl1aFZtDdK4IVRNZPxauaMYq+L/xSYq yiNxnakmS2+wAvgosEaNsq1s8sGen1c0ZSxr5hv262G82kcnFFxOz+Eu5z1NbUcDo7LP QNB/PRu/vFVO5aU1v+N96LeikYKJC1DEkgpXQ= Received: by 10.229.46.74 with SMTP id i10mr5179451qcf.64.1302608446066; Tue, 12 Apr 2011 04:40:46 -0700 (PDT) MIME-Version: 1.0 Received: by 10.229.106.194 with HTTP; Tue, 12 Apr 2011 04:40:22 -0700 (PDT) Reply-To: RQuadling@googlemail.com In-Reply-To: References: <4DA26602.6080303@lorenso.com> Date: Tue, 12 Apr 2011 12:40:22 +0100 Message-ID: To: dante@lorenso.com Cc: Internals Mailing List Content-Type: text/plain; charset=UTF-8 Subject: Re: [PHP-DEV] proposed access modifier "silent" ... was: Re: [PHP-DEV] Implicit isset/isempty check on short-ternary operator From: rquadling@gmail.com (Richard Quadling) On 12 April 2011 12:33, Richard Quadling wrote: > [1] http://pastebin.com/qLNYtfAw Updated to http://pastebin.com/cqSEcGpN to include 0 and '' values. The output is ... Undefined variable isset() = false empty() = true defined = false Defined variable null value isset() = false empty() = true defined = true Defined variable 0 isset() = true empty() = true defined = true Defined variable non-null value isset() = true empty() = false defined = true Undefined key isset() = false empty() = true defined = false Undefined key null value isset() = false empty() = true defined = true Undefined key non-null value isset() = true empty() = false defined = true Undefined key 0 value "" isset() = true empty() = true defined = true Attempting to access any variable where defined = false would be the only place the E_NOTICE is generated. -- Richard Quadling Twitter : EE : Zend @RQuadling : e-e.com/M_248814.html : bit.ly/9O8vFY