WP_Navigation_Block_Renderer::has_submenus │ private static │ WP 6.5.0

Returns whether or not a navigation has a submenu.

Method of the class: WP_Navigation_Block_Renderer{}

No Hooks.

Returns

true|false. Returns whether or not a navigation has a submenu and also sets the member variable.

Usage

$result = WP_Navigation_Block_Renderer::has_submenus( $inner_blocks );

$inner_blocks(WP_Block_List) (required)

The list of inner blocks.

Changelog

WP_Navigation_Block_Renderer::has_submenus() WP Navigation Block Renderer::has submenus code ^{WP 7.0}

private static function has_submenus( $inner_blocks ) {
	if ( true === static::$has_submenus ) {
		return static::$has_submenus;
	}

	foreach ( $inner_blocks as $inner_block ) {
		// If this is a page list then work out if any of the pages have children.
		if ( 'core/page-list' === $inner_block->name ) {
			$all_pages = get_pages(
				array(
					'sort_column' => 'menu_order,post_title',
					'order'       => 'asc',
				)
			);
			foreach ( (array) $all_pages as $page ) {
				if ( $page->post_parent ) {
					static::$has_submenus = true;
					break;
				}
			}
		}
		// If this is a navigation submenu then we know we have submenus.
		if ( 'core/navigation-submenu' === $inner_block->name ) {
			static::$has_submenus = true;
			break;
		}
	}

	return static::$has_submenus;
}