is_post_type_hierarchical( string $post_type )

Determines whether the post type is hierarchical.

Description

A false return value might also mean that the post type does not exist.

See also

Parameters

$post_type

(Required) Post type name

Return

(bool) Whether post type is hierarchical.

Source

File: wp-includes/post.php 

function is_post_type_hierarchical( $post_type ) {
	if ( ! post_type_exists( $post_type ) )
		return false;

	$post_type = get_post_type_object( $post_type );
	return $post_type->hierarchical;
}

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Changelog

Changelog
Version Description
3.0.0 Introduced.