Why routing maps URLs to logic in Laravel - Quick Recap

Recall & Review

beginner

What is routing in Laravel?

Routing in Laravel is the process that connects a URL to a specific piece of code or logic that runs when that URL is visited.

beginner

Why does Laravel map URLs to logic?

Laravel maps URLs to logic so the app knows what to do when someone visits a certain web address, like showing a page or saving data.

intermediate

How does Laravel know which code to run for a URL?

Laravel uses route definitions in files like routes/web.php to match URLs to controller methods or closures that contain the logic.

beginner

What happens if a URL does not match any route in Laravel?

Laravel shows a 404 error page because it does not know what logic to run for that URL.

beginner

Give an example of a simple route in Laravel that returns a view.

Example: Route::get('/home', function () { return view('home'); }); This maps the URL '/home' to logic that shows the 'home' page.

What does Laravel routing connect?

A A database to a server

B A URL to a piece of code

C A user to a password

D A file to a folder

Routing connects a URL to the code that should run when that URL is visited.

Where do you define routes in a Laravel app?

A app/Models

B config/app.php

C public/index.php

D routes/web.php

Routes are defined in the routes/web.php file.

What happens if no route matches a URL in Laravel?

A Shows a 404 error page

B Runs the home page logic

C Redirects to login

D Crashes the server

Laravel shows a 404 error page if no route matches.

Which HTTP method is used in this route? Route::get('/about', ...)

A GET

B POST

C PUT

D DELETE

The 'get' method defines a route for HTTP GET requests.

Why is routing important in a web app?

A It designs the page layout

B It stores user passwords

C It tells the app what code to run for each URL

D It manages database backups

Routing directs URLs to the correct code to handle requests.

Explain in your own words why Laravel uses routing to map URLs to logic.

Think about what happens when you visit a website address.

Describe how you would create a route in Laravel that shows a welcome page when visiting '/welcome'.

Look at how routes are defined in routes/web.php.