What are route constraints in Laravel?

What are route constraints in Laravel?

Route constraints in Laravel allow you to restrict the parameters that can be passed to your routes, ensuring they meet specific criteria.

Can you give me an example of how to use route constraints?

Sure! You can define a route with constraints like this: Route::get('user/{id}', 'UserController@show')->where('id', '[0-9]+'); This ensures that 'id' is a number.

What happens if the constraint is not met?

If the constraint is not met, Laravel will return a 404 Not Found response, preventing the request from reaching the controller.

Are there any built-in constraints in Laravel?

Yes, Laravel provides built-in constraints like 'numeric', 'alpha', 'email', and more, which you can use to validate route parameters.