class Menu { public $name; public $items; public function __construct($name, $items) { $this->name = $name; $this->items = $items; } public function display() { echo "{$this->name}
"; echo "
require 'vendor/autoload.php'; use Knp\Menu\FactoryInterface; use Knp\Menu\MenuItem; class Navbar { protected $factory; protected $navbar; public function __construct(FactoryInterface $factory) { $this->factory = $factory; $this->navbar = $this->factory->createItem('My Navbar'); } public function addLink($label, $url) { $this->navbar->addChild($label, ['uri' => $url]); } public function getNavbar() { return $this->navbar; } } $factory = new \Knp\Menu\Factory\Extension\SymfonyFactory(); $navbar = new Navbar($factory); $navbar->addLink('Home', '/'); $navbar->addLink('About', '/about'); $navbar->addLink('Contact', '/contact'); echo $navbar->getNavbar();In this example, we create a Navbar object that uses the KnpMenu package library. The constructor method initializes the factory object, which is used to create the menu items. The addLink method is used to add links to the menu. The getNavbar method is used to get the menu object. Package library: KnpMenu.