Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:43910
Return-Path: <robert@interjinn.com>
Mailing-List: contact internals-help@lists.php.net; run by ezmlm
Delivered-To: mailing list internals@lists.php.net
Received: (qmail 69296 invoked from network); 12 May 2009 17:38:40 -0000
Received: from unknown (HELO lists.php.net) (127.0.0.1)
  by localhost with SMTP; 12 May 2009 17:38:40 -0000
Authentication-Results: pb1.pair.com header.from=robert@interjinn.com; sender-id=unknown
Authentication-Results: pb1.pair.com smtp.mail=robert@interjinn.com; spf=permerror; sender-id=unknown
Received-SPF: error (pb1.pair.com: domain interjinn.com from 66.11.173.122 cause and error)
X-PHP-List-Original-Sender: robert@interjinn.com
X-Host-Fingerprint: 66.11.173.122 unknown  
Received: from [66.11.173.122] ([66.11.173.122:44440] helo=interjinn.com)
	by pb1.pair.com (ecelerity 2.1.1.9-wez r(12769M)) with ESMTP
	id 3A/26-64369-E14B90A4 for <internals@lists.php.net>; Tue, 12 May 2009 13:38:38 -0400
Received: from [192.168.1.3] (blobbie [192.168.1.3])
	by interjinn.com (Postfix) with ESMTP id 8717238C466;
	Tue, 12 May 2009 13:38:16 -0400 (EDT)
To: Lewis Wright <lewiswright@gmail.com>
Cc: =?ISO-8859-1?Q?=D3lafur?= Waage <olafurw@gmail.com>,  internals@lists.php.net
In-Reply-To: <f3eeaf7e0905121023h2cf87b9bqd2cccf922cacf245@mail.gmail.com>
References: <8c35d7690905120935t18722295i69217245c9296a6d@mail.gmail.com>
	 <f3eeaf7e0905121023h2cf87b9bqd2cccf922cacf245@mail.gmail.com>
Content-Type: text/plain
Organization: InterJinn
Date: Tue, 12 May 2009 13:39:41 -0400
Message-ID: <1242149981.10178.25.camel@localhost>
Mime-Version: 1.0
X-Mailer: Evolution 2.22.3.1 
Content-Transfer-Encoding: 7bit
Subject: Re: [PHP-DEV] The constant use of isset()
From: robert@interjinn.com (Robert Cummings)

On Tue, 2009-05-12 at 18:23 +0100, Lewis Wright wrote:
> Regarding ifsetor, what's wrong with just using this:
> 
> isset($myvar) OR $myvar = 'i am set';
> 
> It works in just the same way and has no problems. I agree it would be
> great though if there could be a function to retrieve a variable's
> value if it exists, without throwing an error if it doesn't exist. I'm
> not sure if isset would be appropriate though.
> 
> Lewis.

mixed value_of( $variable [, $defaultValue=null] );

<?php

if( value_of( $_GET['action'] ) == 'edit' )
{
    // ...
}

switch( value_of( $_GET['action'], 'details' ) )
{
    case 'details': ...
}

?>

Cheers,
Rob.
-- 
http://www.interjinn.com
Application and Templating Framework for PHP