converting xml DOMDocument to string

The DOMDocument object can't be used as a string.

Here is how you would display the DOMDocument object as an XML string:

echo $doc->saveXML();

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DOMDocument has a method SaveHTML(), it's designed to do exactly what you need.

You may display whole document by:

$doc->saveHTML();

Or just certain node:

$doc->saveHTML( $bodyNode);

DOMDocument also provides few options how to enhance how the XML is print, such as:

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Try this:

$xml = $doc->saveXML($doc->documentElement);

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