WP_Navigation_Block_Renderer::has_submenus( WP_Block_List $inner_blocks ): bool

144	private static function has_submenus( $inner_blocks ) {145		if ( true === static::$has_submenus ) {146			return static::$has_submenus;147		}148 149		foreach ( $inner_blocks as $inner_block ) {150			// If this is a page list then work out if any of the pages have children.151			if ( 'core/page-list' === $inner_block->name ) {152				$all_pages = get_pages(153					array(154						'sort_column' => 'menu_order,post_title',155						'order'       => 'asc',156					)157				);158				foreach ( (array) $all_pages as $page ) {159					if ( $page->post_parent ) {160						static::$has_submenus = true;161						break;162					}163				}164			}165			// If this is a navigation submenu then we know we have submenus.166			if ( 'core/navigation-submenu' === $inner_block->name ) {167				static::$has_submenus = true;168				break;169			}170		}171 172		return static::$has_submenus;173	}