Since DomXsltStylesheet->process() always returns a
well-formed XML DomDocument, no matter what output method was declared in
<xsl:output> and similar attributes/elements, it's of not much use,
if you want to output HTML 4 or text data.
This function on the contrary honors <xsl:output method="html|text">
and other output control directives. See the example for instruction on how to use it.
Examples
Example 574. Saving the result of a XSLT transformation in a file