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Date: Mon, 2 Aug 2004 13:58:59 -0700
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To: David Sklar <sklar@sklar.com>
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Subject: Re: [PHP-DEV] SimpleXML returning attributes as objects instead of strings
From: sterling.hughes@gmail.com (Sterling Hughes)

iterators...

On Mon, 02 Aug 2004 16:53:49 -0400, David Sklar <sklar@sklar.com> wrote:
> SimpleXML returns attribute values as SimpleXMLElement objects instead
> of strings. E.g, given this:
> 
> $sxe = simplexml_load_string('<octopus arms="eight" legs="">Doc
> Ock</octopus>');
> 
> $sxe['arms'] and $sxe['legs'] are SimpleXMLElement objects.
> 
> This mostly works OK, but causes problems when using empty() to test if
> an attribute has a value. empty($sxe['arms']) is false, but so is
> empty($sxe['legs']).
> 
> An easy workaround is to use strlen() instead of empty(), I suppose
> (except if an attribute value is "0"), but I am wondering why SimpleXML
> works this way.
> 
> Thanks,
> David
> 
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