/**
* Add a child node. This method will set the child's parent to this object.
* @param SDNode $child the child node to add
*/
function addNode(SDNode $child) {
$child->setParent($this);
$this->children[] = $child;
}
/**
* Add a child node. This method will set the child's parent to this object.
* @param SDNode $child the child node to add
*/
function addNode(SDNode $child) {
$child->setParent($this);
$this->children[] = $child;
}