Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:75423 Return-Path: Mailing-List: contact internals-help@lists.php.net; run by ezmlm Delivered-To: mailing list internals@lists.php.net Received: (qmail 74719 invoked from network); 13 Jul 2014 15:56:40 -0000 Received: from unknown (HELO lists.php.net) (127.0.0.1) by localhost with SMTP; 13 Jul 2014 15:56:40 -0000 Authentication-Results: pb1.pair.com smtp.mail=ajf@ajf.me; spf=pass; sender-id=pass Authentication-Results: pb1.pair.com header.from=ajf@ajf.me; sender-id=pass Received-SPF: pass (pb1.pair.com: domain ajf.me designates 192.64.116.207 as permitted sender) X-PHP-List-Original-Sender: ajf@ajf.me X-Host-Fingerprint: 192.64.116.207 imap2-2.ox.privateemail.com Received: from [192.64.116.207] ([192.64.116.207:42410] helo=imap2-2.ox.privateemail.com) by pb1.pair.com (ecelerity 2.1.1.9-wez r(12769M)) with ESMTP id 30/CB-16748-63CA2C35 for ; Sun, 13 Jul 2014 11:56:40 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.privateemail.com (Postfix) with ESMTP id E9C098C007D; Sun, 13 Jul 2014 11:56:35 -0400 (EDT) X-Virus-Scanned: Debian amavisd-new at imap2.ox.privateemail.com Received: from mail.privateemail.com ([127.0.0.1]) by localhost (imap2.ox.privateemail.com [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 6obCTLG5K-CY; Sun, 13 Jul 2014 11:56:35 -0400 (EDT) Received: from [192.168.0.15] (unknown [90.210.122.167]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.privateemail.com (Postfix) with ESMTPSA id ACB618C007B; Sun, 13 Jul 2014 11:56:34 -0400 (EDT) Content-Type: text/plain; charset=windows-1252 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) In-Reply-To: <53C2AAF7.3060504@gmail.com> Date: Sun, 13 Jul 2014 16:56:31 +0100 Cc: internals@lists.php.net Content-Transfer-Encoding: quoted-printable Message-ID: References: <08503591-EFC8-48E6-984E-FFC292C5EA5F@ajf.me> <027E65EF-C4FC-474C-92BB-D99EFADDEEED@ajf.me> <53C29EE4.3090808@gmail.com> <53C2A2F7.1000806@gmail.com> <53C2A753.2060001@gmail.com> <53C2AAF7.3060504@gmail.com> To: Rowan Collins X-Mailer: Apple Mail (2.1878.6) Subject: Re: [PHP-DEV] [RFC] Scalar Type Hinting With Casts (re-opening) From: ajf@ajf.me (Andrea Faulds) On 13 Jul 2014, at 16:51, Rowan Collins wrote: > Well, the ability to cast to an object at all is pretty wacky, since = PHP has no standard base class for objects, nor any mechanism to cast to = or from specific classes, etc. Somewhat off-topic, but maybe we should make StdClass be the actual base = class? I mean, it=92s already used as a generic object, and you could = then put StdClass as a type hint if you=92re using an object as a = key/value store but want to allow sophisticated objects to be passed. Also, we don=92t have a mechanism to cast between classes mostly because = we don=92t need it; if Bar extends Foo and a function takes a Foo, it = can also take a Bar. -- Andrea Faulds http://ajf.me/