is_post_type_hierarchical

Syntax

is_post_type_hierarchical( 
	string $post_type_key
);

WordPress codex

Description

This construct (function) checks if the given post type is hierarchical. This argument is set when the post type is first configured and registered with WordPress Core.

Parameters

post_type_key

The post type’s key (slug) to specify which post type is being checked.

Return Values

If the post type exists, then it returns the value of hierarchical, which is a boolean. Else, false is returned.