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To: Marcus Boerger <helly@php.net>
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Subject: Re: [PHP-DEV] SimpleXMLIterator
From: mathieu.bruneau@argontechnologies.ca (Mathieu Bruneau)

Marcus Boerger wrote:
 > Hello Mathieu,
 >
 > Sunday, August 29, 2004, 4:18:25 AM, you wrote:
 >
 >
 >>Hi all,
 >
 >
 >>	I have been playing with the SPL lately and today I ended up playing
 >>with the SimpleXMLIterator.
 >
 >
 >>	The documentation on that class if fairly poor and I'm in fact
 >>requesting some information about it. I managed to create a
 >>SimpleXMLIterator passing it basic xml in the constructor but wasn't
 >>able to get anything from the getChildren() method and hasChildren()
 >>return false. The var_dump of the iterator show me the expected thing 
tough.
 >
 >
 >>Nor does the current() or key() return anything. I'm using php5.0.1
 >
 >
 >
 >>Example:
 >><?php
 >
 >
 >>$xml = "<test><test1>Here we are</test1><test2>There</test2></test>";
 >
 >
 >>$it = new SimpleXMLIterator($xml);
 >
 >
 >>var_dump($it);
 >
 >
 >>while($it->hasChildren())
 >>{
 >>   echo "While\n";
 >>   $child = $it->getChildren();
 >>}
 >
 >
 > Try working with while($it->valid()....
 > Besides that SimpleXMLIterator implements the RecursiveIterator 
interface.
 > What it does is iterating over one element and if teh element has sub
 > elements then hasChildren() returns true and getchildren() returns the
 > iterator for that sub element. To see what's going on have a look at
 > ext/spl/tests/sxe_00*.phpt.
 >
 > regards
 > marcus
 >
 >

I already tried that but I figured out what I was doing wrong... You 
need to rewind the iterator before using it... I don't know why but I 
was assuming that it was ready for a loop!

The other solution foreach is working as the foreach does a rewind() on 
it at first.
-- 
Math
aka ROunofF

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