/**
* Delete a category. Only delete a category if it is not protected
*/
public function delete()
{
// Get any articles using this category
$articles = News::fetchIdsFrom("category", $this->getId(), 'i');
// Only delete a category if it is not protected and is not being used
if (!$this->isProtected() && count($articles) == 0) {
parent::delete();
}
}
