laravel basic exmaple: 22 flashcards
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1. What is a basic Laravel example meant to demonstrate?
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The full request-to-response cycle: a request enters through `public/index.php`, is routed, handled by a route or controller, and returns a response (often a Blade view).
2. Which file does every Laravel request enter through?
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`public/index.php` — the single front controller that bootstraps the framework and hands the request to the router.
3. Where are web routes defined in a Laravel app?
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In `routes/web.php`, where URLs and HTTP verbs are mapped to closures or controller methods.
4. What is the smallest possible working Laravel route?
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`Route::get('/hello', function () { return 'Hello, Laravel'; });` — a closure route that returns a plain string.
5. What is the job of a controller in Laravel?
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A controller groups related request-handling logic into a class, keeping routes readable and logic reusable across multiple routes.
6. How does a route point to a controller method?
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`Route::get('/hello', [HelloController::class, 'index']);` — the array pairs the controller class with the method name.
7. Where do Blade views live?
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In `resources/views`. Blade templates mix HTML with directives and compile to plain PHP.
8. What does `{{ $name }}` do in a Blade view?
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It outputs the value of `$name`, escaping it for safety. Blade also offers `@if` and `@foreach` for control flow.
9. How does a controller pass data to a Blade view?
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`return view('hello', ['name' => 'Veda']);` — the second argument is an array of data available inside the view.
10. What is an Eloquent model?
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A PHP class representing a database table. By convention, the `Post` model maps to the `posts` table.
11. What does `Post::all()` return?
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All rows from the `posts` table as a collection of `Post` model instances.
12. What is a migration?
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A version-controlled PHP file that defines a database table's structure, applied with `php artisan migrate`.
13. Which Artisan command applies migrations to the database?
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`php artisan migrate` — it runs all pending migrations and creates or alters the tables.
14. What does `php artisan make:controller` do?
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It scaffolds a controller class file with boilerplate so you can fill in the logic instead of typing the skeleton by hand.
15. Which five files make up a minimal post-list example?
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A migration for `posts`, the `Post` model, `PostController@index`, a route in `web.php`, and the Blade view `posts/index.blade.php`.
16. Why does Laravel need almost no configuration for a basic example?
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Because it follows conventions: `Post` maps to `posts`, `PostController` lives in `app/Http/Controllers`, views sit in `resources/views`.
17. What is the rule of thumb for routes, controllers, and views?
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Routes decide what URL maps to what action, controllers hold logic, views hold presentation. Each layer does one job.
18. When is a closure route a better choice than a controller route?
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For tiny demos and quick tests. Real features with reuse and testing needs belong in a controller.
19. What does `Post::where('published', true)->get()` demonstrate?
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Eloquent's expressive query builder — it reads almost like English and hides raw SQL behind method calls.
20. How does a Blade view loop over posts?
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With `@foreach ($posts as $post)` inside the template, rendering each post's fields with `{{ }}`.
21. Why do migrations matter for teams?
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Any developer can recreate the database with one command, so there is no manual SQL and no drift between machines.
22. What is the relationship between a basic example and a large Laravel app?
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Every large app is a basic example scaled up — the same request-to-response loop, MVC separation, and Artisan workflow.
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