/**
* Copies this node to a new parent. This copies the node
* to the new parent node/tree and all its child nodes (ie
* a deep copy). Technically, new nodes are created with copies
* of the tag data, since this is for all intents and purposes
* the only thing that needs copying.
*
* @param object $newParent The new parent Tree_Node or Tree object
* @return object The new node
*/
public function copyTo($newParent)
{
$newNode = $newParent->nodes->add(new Tree_Node($this->getTag()));
// Copy child nodes
$this->nodes->copyTo($newNode);
return $newNode;
}
