neerolyte/php-lyte-xml

<?php
namespace Lyte\XML;
class DOMNode extends XMLDecorator {
    /**
     * Perform a contextualised XPath::query() from this node
     */
    public function xPathQuery($expression) {
        return $this->ownerDocument->xpath->query($expression, $this->decorated);
    }

    /**
     * Perform a contextualised XPath::evaluate() from this node
     */
    public function xPathEvaluate($expression) {
        return $this->ownerDocument->xpath->evaluate($expression, $this->decorated);
    }

    /**
     * Provide a saveXML on every node that will just save the XML
     * for the current node
     */
    public function saveXML() {
        return $this->ownerDocument->saveXML($this);
    }
}