is_taxonomy_hierarchical ( $taxonomy )
- (string) taxonomy Name of taxonomy object.
- (bool) Whether the taxonomy is hierarchical.
- Introduced in WordPress: 2.3.0
- Deprecated in WordPress: —
Determines whether the taxonomy object is hierarchical.Checks to make sure that the taxonomy is an object first. Then Gets the
object, and finally returns the hierarchical value in the object.
A false return value might also mean that the taxonomy does not exist.
For more information on this and similar theme functions, check out
the [Conditional Tags](https://developer.wordpress.org/themes/basics/conditional-tags/) article in the Theme Developer Handbook.