/**
* Override for the destroy function
*/
public function destroy($index = 0)
{
$this->children = null;
$this->getChildren();
for ($i = 0; $i < count($this->children); $i++) {
$this->children[$i]->destroy();
}
$this->children = null;
$this->getChildren();
if (count($this->children) == 0) {
parent::destroy();
}
}
