/**
* Add a child menu item to this menu
*
* @param mixed $child An ioMenuItem object or the name of a new menu to create
* @param string $route If creating a new menu, the route for that menu
* @param string $attributes If creating a new menu, the attributes for that menu
* @param string $class The class for menu item, if it needs to be created
*
* @return ioMenuItem The child menu item
*/
public function addChild($child, $route = null, $attributes = array(), $class = null)
{
if (!$child instanceof ioMenuItem) {
$child = $this->_createChild($child, $route, $attributes, $class);
}
parent::addChild($child);
$child->setTree($this->getTree(), true);
return $child;
}
