Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:24167
Mailing-List: contact internals-help@lists.php.net; run by ezmlm
Message-ID: <44988882.6070009@tulloh.id.au>
Date: Wed, 21 Jun 2006 09:45:06 +1000
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.6) Gecko/20050325
MIME-Version: 1.0
To: lists@block-online.eu
Cc: internals@lists.php.net
References: <200606210111.12187.lists@block-online.eu>
In-Reply-To: <200606210111.12187.lists@block-online.eu>
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Subject: Re: [PHP-DEV] Looking for an explanation
From: david@tulloh.id.au (David Tulloh)

Oliver Block wrote:
> Hello list,
> 
> as you are familiar with the source code of php it might be easy to explain 
> how the brain of php interprets the following code:

I think that this would be better suited to the startard PHP list.  I
would suggest posting any further followups there.

> 
> print ($life = "hard") -1;

($life="hard") assigns "hard" to $life and returns "hard"
"hard" -1 casts "hard" to an integer to do a math operation, "hard"
casts to 0
0 -1 is -1, so -1 is printed

> print "\nlife: {$life}\n";
Now you simply print the value of $life, "hard"


David