Wordpress - How To Get Parent Category ID

Question

Wordpress - How To Get Parent Category ID

---

my category is  
news
---->sport news

i have a post in

Answer 1

Simply, very simply.

//firstly, load data for your child category
$child = get_category(31);

//from your child category, grab parent ID
$parent = $child->parent;

//load object for parent category
$parent_name = get_category($parent);

//grab a category name
$parent_name = $parent_name->name;

Study get_category