+# Ideally, this would be "return $obj->clone_node(true)". But surprise,
+# surprise, PHP is buggy; it does not preserve the prefix information on
+# attributes properly during a clone. (PHP4 and PHP5 are broken in different
+# ways here...) IOW, we'll have to clone everything ourselves.
+function own_clone_node($node, $doc)
+{
+ // we only need these two
+ if ($node->nodeType == XML_DOCUMENT_FRAG_NODE) {
+ $newnode = $doc->createDocumentFragment();
+
+ for ($i = 0; $i < $node->childNodes->length; ++$i) {
+ $child = $node->childNodes->item($i);
+ $newnode->appendChild(own_clone_node($child, $doc));
+ }
+ return $newnode;
+ } else if ($node->nodeType == XML_ELEMENT_NODE) {
+ $newnode = own_clone_element($node, $doc);
+ for ($i = 0; $i < $node->childNodes->length; ++$i) {
+ $child = $node->childNodes->item($i);
+ $newnode->appendChild(own_clone_node($child, $doc));
+ }
+ return $newnode;
+ } else {
+ return $node->cloneNode(true);
+ }
+}
+
+function own_clone_element($node, $doc)
+{
+ $nsuri = $node->namespaceURI;
+ if (isset($nsuri) && $node->prefix != "default") {
+ $newnode = $doc->createElementNS($node->namespaceURI, $node->nodeName, $node->prefix);
+
+ // remove useless empty text child
+ $newnode->removeChild($newnode->firstChild);
+ } else {
+ $newnode = $doc->createElement($node->localName);
+ }
+
+ $attrs = $node->attributes;
+ if (isset($attrs)) {
+ foreach ($node->attributes as $attr) {
+ $nsuri = $attr->namespaceURI;
+ if (isset($nsuri) && $attr->prefix != "default") {
+ $attr2 = $doc->createAttributeNS($nsuri, $attr->prefix . ":" . $attr->name);
+ } else {
+ $attr2 = $doc->createAttribute($attr->localName);
+ }
+
+ # You've got to be kidding me...
+ $attr2->value = preg_replace("/&/", "&", $attr->value);
+ $newnode->appendChild($attr2);
+ }
+ }
+ return $newnode;
+}
+