Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:28406 Return-Path: Mailing-List: contact internals-help@lists.php.net; run by ezmlm Delivered-To: mailing list internals@lists.php.net Received: (qmail 2500 invoked by uid 1010); 19 Mar 2007 02:06:53 -0000 Delivered-To: ezmlm-scan-internals@lists.php.net Delivered-To: ezmlm-internals@lists.php.net Received: (qmail 2484 invoked from network); 19 Mar 2007 02:06:53 -0000 Received: from unknown (HELO lists.php.net) (127.0.0.1) by localhost with SMTP; 19 Mar 2007 02:06:53 -0000 Authentication-Results: pb1.pair.com header.from=stas@zend.com; sender-id=pass Authentication-Results: pb1.pair.com smtp.mail=stas@zend.com; spf=pass; sender-id=pass Received-SPF: pass (pb1.pair.com: domain zend.com designates 63.205.162.114 as permitted sender) X-PHP-List-Original-Sender: stas@zend.com X-Host-Fingerprint: 63.205.162.114 unknown Windows 2000 SP4, XP SP1 Received: from [63.205.162.114] ([63.205.162.114:61630] helo=us-ex1.zend.com) by pb1.pair.com (ecelerity 2.1.1.9-wez r(12769M)) with ESMTP id 36/C9-18356-B30FDF54 for ; Sun, 18 Mar 2007 21:06:52 -0500 Received: from [127.0.0.1] ([192.168.17.2]) by us-ex1.zend.com with Microsoft SMTPSVC(6.0.3790.1830); Sun, 18 Mar 2007 19:06:47 -0700 Message-ID: <45FDF031.4010508@zend.com> Date: Sun, 18 Mar 2007 19:06:41 -0700 Organization: Zend Technologies User-Agent: Thunderbird 2.0b2 (Windows/20070116) MIME-Version: 1.0 To: Wez Furlong CC: internals@lists.php.net References: <86478A67-DCA2-4000-9EF0-DA4338E8389B@omniti.com> In-Reply-To: <86478A67-DCA2-4000-9EF0-DA4338E8389B@omniti.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 19 Mar 2007 02:06:47.0912 (UTC) FILETIME=[4029FE80:01C769CB] Subject: Re: [PHP-DEV] PATCH: anonymous functions in PHP From: stas@zend.com (Stanislav Malyshev) > $data = array("zoo", "orange", "car", "lemon", "apple"); > usort($data, function($a, $b) { return strcmp($a, $b); }); > var_dump($data); # data is sorted alphabetically What happens if you do this: $data = array("zoo", "orange", "car", "lemon", "apple"); $rev = 1; usort($data, function($a, $b) { return $rev?strcmp($a, $b):!strcmp($a, $b); }); var_dump($data); # data is sorted alphabetically This works in Javascript (probably Ruby too), but quite hard to make work in PHP because $rev is in different scope. Moreover, would it mean that this: $f = function($a, $b) { return $rev?strcmp($a, $b):!strcmp($a, $b); } would work too? Keeping right value of $rev? -- Stanislav Malyshev, Zend Products Engineer stas@zend.com http://www.zend.com/