getDocNamespaces example

// An invalid SimpleXMLElement can gum up the works with         // warnings if we call stuff children/attributes on it.         if (!$var) {
            $o->size = null;

            return;
        }

        $x = new SimpleXMLElementValue();
        $x->transplant($o);

        $namespaces = \array_merge([null], $var->getDocNamespaces());

        // Attributes         $a = new Representation('Attributes');

        $base_obj = new Value();
        $base_obj->depth = $x->depth;

        if ($x->access_path) {
            $base_obj->access_path = '(string) '.$x->access_path;
        }