Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:68605 Return-Path: Mailing-List: contact internals-help@lists.php.net; run by ezmlm Delivered-To: mailing list internals@lists.php.net Received: (qmail 23079 invoked from network); 22 Aug 2013 15:57:11 -0000 Received: from unknown (HELO lists.php.net) (127.0.0.1) by localhost with SMTP; 22 Aug 2013 15:57:11 -0000 Authentication-Results: pb1.pair.com smtp.mail=adam@adamharvey.name; spf=pass; sender-id=pass Authentication-Results: pb1.pair.com header.from=adam@adamharvey.name; sender-id=pass Received-SPF: pass (pb1.pair.com: domain adamharvey.name designates 209.85.214.171 as permitted sender) X-PHP-List-Original-Sender: adam@adamharvey.name X-Host-Fingerprint: 209.85.214.171 mail-ob0-f171.google.com Received: from [209.85.214.171] ([209.85.214.171:53730] helo=mail-ob0-f171.google.com) by pb1.pair.com (ecelerity 2.1.1.9-wez r(12769M)) with ESMTP id 9C/F4-11927-6D436125 for ; Thu, 22 Aug 2013 11:57:11 -0400 Received: by mail-ob0-f171.google.com with SMTP id tb18so3932430obb.2 for ; Thu, 22 Aug 2013 08:57:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=adamharvey.name; s=google; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc:content-type:content-transfer-encoding; bh=R0TS9RYYZo8jYXvfYVLnMyIUU1ks5HO6rv/g9Pw4AZk=; b=0dCdX5TsvAk5KoClY01FfKj/ERR1ksvVOEGLY35Q7gXelZ2c49IRMkIHKobgQ8OonA iLOUwQdvm/myxYFWWTwFFwqaRh0aqN+QBOvgCidug3as3QYnzqtGtCkvIEJ9VJLBr8dz ULRtQbh684glkZlrFMU91Ch0bjIXAvBDRLTPc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc:content-type :content-transfer-encoding; bh=R0TS9RYYZo8jYXvfYVLnMyIUU1ks5HO6rv/g9Pw4AZk=; b=YhoxW23A7wQJOv9TZoF7AmZZmf9jGh8SHZXtzCfUx5rGLxxyAhUjt/J5yUqPJoYjt3 6xAVRHAwRZXM+oEj2u2k2dRZ/y3JecxVC40IMUh+QH2eKv2nT/qj853+SPnYjdjFBKvQ FcgAU3/56K+n9uWV69AOqRnaanACxIwLWPGFGLYcQGIJ9dSVOvdIe2w/uyEsjEO4EEte eJMDwCcxl23tEWEAPMBBlEl5Vm3WI7cHa/gCKjzYFulMndWxjAZRwjEcYSfYUo1rPb+p 1u1dzcrlzKkoSKyu5iPc6wRGIJZFKaDzF4kYBw6yqmP50DRT9aCADArewhypDVmofZP1 59SQ== X-Gm-Message-State: ALoCoQk+uvnKqJkfDs273HzEGkAPzamJBJzE3qPwxmNx82av7FCVKTuCJ3U819kMMK9kGuVzzidW X-Received: by 10.50.124.65 with SMTP id mg1mr7492279igb.43.1377187027986; Thu, 22 Aug 2013 08:57:07 -0700 (PDT) MIME-Version: 1.0 Sender: adam@adamharvey.name Received: by 10.42.169.5 with HTTP; Thu, 22 Aug 2013 08:56:46 -0700 (PDT) In-Reply-To: References: Date: Thu, 22 Aug 2013 08:56:46 -0700 X-Google-Sender-Auth: ZUiOQKo5cOrJhV4jw2OjAiFoRRs Message-ID: To: Tjerk Meesters Cc: Yasuo Ohgaki , "internals@lists.php.net" Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [PHP-DEV] Request #65501 uniqid(): More entropy parameter should be true by default From: aharvey@php.net (Adam Harvey) On 22 August 2013 05:10, Tjerk Meesters wrote: > On 22 Aug, 2013, at 6:58 PM, Yasuo Ohgaki wrote: >> I realized that not many users are using "more entropy" parameter >> Therefore, I made >> >> Request #65501 uniqid(): More entropy parameter should be true by defaul= t >> https://bugs.php.net/bug.php?id=3D65501 > > I would like to mention that the return value would become 10 characters = longer if we enable this by default. This could break applications that sto= re the value in a database column such as VARCHAR(20). This is 6.x material to me for exactly that reason =E2=80=94 we have change= d the defaults for functions with optional behaviour before, but I think this one has more scope to break applications due to the potential for data loss when users have used limited database columns (and I suspect a _lot_ of uniqid() users are storing the result in a database). Since there is a need for "unique" values, would we be better off considering bundling the uuid extension (or something similar) to provide a simple way of generating UUIDs? No BC considerations then, and it's probably a better option for unique identifier generation regardless. Adam