$route = new Route('/posts/{postId}', 'PostsController@show'); $route->bind('postId', '\d+');
$route = new Route('/products/{productId}', 'ProductsController@show'); $route->bind('productId', '[A-Z]{3}\d{3}');In this example, we create a route that matches URLs that start with `/products/` and end with a product ID composed of three uppercase letters followed by three digits. We use a custom regular expression to define the pattern that the `productId` variable should match. When a request is made to this URL, the `show` method of the `ProductsController` will be called with the `productId` variable set to the value extracted from the URL. Package Library: The PHP Route Bind is a built-in component of the Laravel framework, a popular PHP web application framework. However, it can be used independently of Laravel by using a standalone package such as `nikic/fast-route` or `auraphp/Aura.Router`.