Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:34940
Mailing-List: contact internals-help@lists.php.net; run by ezmlm
Received-SPF: error (pb1.pair.com: domain sambarrow.com from 205.234.132.11 cause and error)
To: Sebastian <admin@ifyouwantblood.de>
Cc: internals@lists.php.net
In-Reply-To: <C9.ED.08850.17F5B974@pb1.pair.com>
References: <C9.ED.08850.17F5B974@pb1.pair.com>
Content-Type: text/plain
Date: Sat, 26 Jan 2008 12:17:24 -0500
Message-ID: <1201367844.8418.4.camel@sams-room>
Mime-Version: 1.0
Content-Transfer-Encoding: 7bit
Subject: Re: [PHP-DEV] ifsetor like expression in php6
From: sam@sambarrow.com (Sam Barrow)

I don't think throwing a E_NOTICE is appropriate. The isset() construct
doesn't throw an E_NOTICE, this shouldn't either.

On Sat, 2008-01-26 at 17:30 +0100, Sebastian wrote:
> hi,
> 
> i just found the new ifsetor like construction in php6. It left me the 
> question why php has to throw an E_NOTICE when the variable is not set. This 
> is basicly because that actually is the meaning of this construction, 
> checking if the variable is set and if it isnt give back a standard value. 
> Of course i know this construction can be (mis)used with an Boolean check 
> ($var===$var2), but this does not make much sence either because TRUE will 
> then be assigned to the new variable if the expression evaluates to TRUE 
> (but please correct me if theres a real use for this).
> 
> So in any case it would be better to remove the Boolean check feature and 
> make it a simple ifsetor() without the E_NOTICE again.
> 
> For those of you who have not heard of it heres an example:
> 
> <?php
> 
> // If $_GET['foo'] is set, then its value will be assigned to $foo,
> // otherwise 42 will be assigned to $foo.
> 
> $foo = $_GET['foo'] ?: 42;
> 
> ?>
> 
> Greetings
> 
> Sebastian
>