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is_post_type_hierarchical( string $post_type )

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

(string) (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;
}

Used By

Used By Description
wp-includes/post.php: wp_check_for_changed_dates()

Check for changed dates for published post objects and save the old date.
wp-admin/includes/class-wp-posts-list-table.php: WP_Posts_List_Table::handle_row_actions()

Generates and displays row action links.
wp-admin/includes/class-wp-posts-list-table.php: WP_Posts_List_Table::column_title()

Handles the title column output.
wp-admin/includes/class-wp-posts-list-table.php: WP_Posts_List_Table::column_default()

Handles the default column output.
wp-admin/includes/post.php: wp_edit_posts_query()

Run the wp query to fetch the posts for listing on the edit posts page
wp-admin/includes/ajax-actions.php: wp_ajax_inline_save()

Ajax handler for Quick Edit saving a post from a list table.
wp-admin/includes/meta-boxes.php: page_attributes_meta_box()

Display page attributes form fields.
wp-admin/includes/nav-menu.php: wp_nav_menu_item_post_type_meta_box()

Displays a meta box for a post type menu item.
wp-admin/includes/class-wp-posts-list-table.php: WP_Posts_List_Table::get_table_classes()
wp-admin/includes/class-wp-posts-list-table.php: WP_Posts_List_Table::prepare_items()
wp-includes/query.php: wp_old_slug_redirect()

Redirect old slugs to the correct permalink.
wp-includes/nav-menu-template.php: _wp_menu_item_classes_by_context()

Adds the class property classes for the current context, if applicable.
wp-includes/post-template.php: wp_list_pages()

Retrieve or display a list of pages (or hierarchical post type items) in list (li) format.
wp-includes/post.php: wp_check_for_changed_slugs()

Check for changed slugs for published post objects and save the old slug.
wp-includes/post.php: wp_unique_post_slug()

Computes a unique slug for the post, when given the desired slug and some post details.
wp-includes/post.php: wp_delete_post()

Trash or delete a post or page.
wp-includes/class-wp-rewrite.php: WP_Rewrite::generate_rewrite_rules()

Generates rewrite rules from a permalink structure.

Changelog

Version Description
3.0.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/is_post_type_hierarchical