/**
* Set the default item by id
*
* @param integer $id The item id
*
* @return MenuItem|void The menu item representing the given ID if present or null otherwise
*
* @since 1.5
*/
public function setActive($id)
{
if (isset($this->getMenu()[$id])) {
$this->active = $id;
return $this->getMenu()[$id];
}
}