24 questions that come up in Laravel technical interviews, each with the answer and an explanation of why it is right.
Test yourself — 90 question bankAnswer: A PHP web application framework with expressive syntax
Laravel is a free, open-source PHP web application framework created by Taylor Otwell. It follows the MVC architectural pattern and emphasizes elegant syntax.
Answer: Defer time-consuming tasks to background
Queues defer time-consuming tasks (emails, API calls) to background. Improves response time. Supports multiple drivers: database, redis, beanstalkd, SQS.
Answer: HTTP request filter
Middleware provides a mechanism for filtering HTTP requests. Can authenticate, log, modify requests/responses. Defined in app/Http/Middleware.
Answer: Both a and b
Both `composer create-project laravel/laravel project-name` and `laravel new project-name` (requires Laravel Installer) create new Laravel projects.
Answer: php artisan make:job JobName
`php artisan make:job JobName` creates a job. Dispatch with JobName::dispatch(). Run workers with `php artisan queue:work`.
Answer: php artisan make:middleware MiddlewareName
`php artisan make:middleware MiddlewareName` creates middleware. Register in app/Http/Kernel.php in $middleware, $middlewareGroups, or $routeMiddleware.
Answer: Both a and b
Laravel provides complete authentication system including registration, login, password reset. Use `php artisan make:auth` (Laravel UI) or Laravel Breeze/Jetstream.
Answer: Laravel command-line interface for development tasks
Artisan is Laravel's command-line interface. It provides helpful commands for application development like migrations, seeding, and code generation.
Answer: Provide observer pattern implementation
Events provide observer pattern implementation. Decouple aspects of application. Event fired, listeners handle it. Register in EventServiceProvider.
Answer: Broadcasts events to client-side via WebSockets
Broadcasting broadcasts server-side events to client-side JavaScript via WebSockets (Pusher, Ably, Laravel Echo). Enables real-time features.
Answer: Define relationships between models
Eloquent relationships define connections between models: hasOne, hasMany, belongsTo, belongsToMany, hasManyThrough, morphTo, morphMany.
Answer: One-to-many relationship
hasMany defines one-to-many relationship. Example: User hasMany Posts. Define in model: return $this->hasMany(Post::class).
Answer: Maps URLs to controllers or closures
Routes in Laravel map HTTP requests (URLs) to specific controller actions or closure functions. Defined in routes/ directory.
Answer: JavaScript library for WebSocket event listening
Laravel Echo is JavaScript library for subscribing to channels and listening to events broadcast by Laravel. Works with Pusher, Ably, Socket.io.
Answer: routes/web.php and routes/api.php
Web routes are defined in routes/web.php, API routes in routes/api.php. Console routes in routes/console.php, channels in routes/channels.php.
Answer: Lightweight authentication for SPAs and APIs
Sanctum provides lightweight authentication for SPAs and mobile apps. Issues API tokens, manages device tokens. Simpler alternative to Passport.
Answer: Full OAuth2 server implementation
Passport is full OAuth2 server implementation. Provides complete OAuth2 authorization. Use for complex API authentication requirements.
Answer: Request data validation with rules
Validation validates incoming request data against rules. Use $request->validate() or Form Request classes. Laravel provides many built-in rules.
Answer: $request->validate([rules])
$request->validate(['field' => 'required|email']) validates request. Automatically redirects back with errors on failure.
Answer: php artisan make:controller ControllerName
`php artisan make:controller ControllerName` creates a new controller. Add --resource flag for resourceful controller with CRUD methods.
Answer: Built-in testing with PHPUnit
Laravel provides testing with PHPUnit out of box. Write feature tests (HTTP tests) and unit tests. Run with `php artisan test`.
Answer: Generate fake data for testing
Factories generate fake model data for testing and seeding. Use Faker library. Define in database/factories. Create with ModelName::factory()->create().
Answer: Laravel templating engine
Blade is Laravel's powerful templating engine. Blade template files use .blade.php extension and allow PHP code with clean syntax.
Answer: Custom request class with validation logic
Form Requests are custom request classes encapsulating validation logic. Created with `php artisan make:request RequestName`.
The full Laravel bank has 90 questions across 3 difficulty levels — timed, shuffled, and scored.
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