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Date: Thu, 18 Oct 2007 16:01:16 -0400
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To: Stanislav Malyshev <stas@zend.com>
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Subject: Re: [PHP-DEV] Object arithmetic
From: rrichards@ctindustries.net (Rob Richards)

Stanislav Malyshev wrote:
>> While looking at bug 42780: http://bugs.php.net/bug.php?id=42780
>> The only way not to lose precision is to explicitly cast the object 
>> to float or string, which just doesn't seem right to me.
>
> I'm not sure how this can be fixed - there should be some type used 
> and many objects won't provide convertor to float... Anyway, it's 
> probably not the best idea to rely on default conversion in this 
> context - better to specify it.
I would have agreed 100% that explicit casting should be used, but with 
to_string around, it just doesn't seem right now.Take the following:

$xml = '<root><a>1.1</a><b>2.2</b></root>';
$sxe = simplexml_load_string($xml);
print $sxe->a ." + ".$sxe->b." = ".($sxe->a +$sxe->b);

1.1 + 2.2 = 3

And why wouldn't objects provide a float converter? If they provided a 
converter to long why wouldn't they also provide means to convert to float.

Rob