🔥 Laravel Interview Answers
🟢 Basic
1. What is Laravel?
Laravel is an open-source PHP framework based on MVC architecture, used to build secure, scalable, and maintainable web applications بسرعة with clean syntax.
2. What is MVC?
MVC = Model (data), View (UI), Controller (logic). It separates concerns for clean code.
3. What is routing?
Routing maps URLs to controllers or functions. Example:
Route::get('/home', [HomeController::class, 'index']);
4. Blade template?
Laravel’s templating engine to write dynamic HTML using simple syntax like {{ }}.
5. Middleware?
Filters HTTP requests (e.g., authentication check before accessing route).
6. Eloquent ORM?
Laravel’s ORM to interact with DB using models instead of raw SQL.
7. GET vs POST?
GET = fetch data (visible in URL)
POST = send data securely (not in URL)
🟡 Intermediate
1. Migration?
Version control for database (create/update tables using PHP).
2. Seeder?
Used to insert dummy/test data into database.
3. CSRF?
Security token to prevent unauthorized form submission.
4. Authentication?
Laravel provides built-in auth (login/register) via Breeze, Jetstream.
5. Service Container?
Manages class dependencies automatically.
6. Dependency Injection?
Automatically injects required classes into controller.
7. Facade?
Static interface to Laravel services (e.g., DB::table()).
8. hasOne vs hasMany?
hasOne = one-to-one
hasMany = one-to-many
🔴 Advanced
1. Request lifecycle?
Request → Middleware → Route → Controller → Response
2. Queue & Job?
Used for background tasks (emails, notifications).
3. Event & Listener?
Event triggers action, listener handles it.
4. Caching?
Stores frequently used data to improve speed.
5. API Resource?
Formats API responses in structured JSON.
6. Performance optimization?
- Cache routes/config
- Use queues
- Optimize queries
- Use CDN
7. Repository pattern?
Separates business logic from controller.
8. Security best practices?
- Use validation
- CSRF protection
- Hash passwords
- Avoid raw SQL
⚡ CodeIgniter Answers
🟢 Basic
1. CodeIgniter?
Lightweight PHP framework for fast development.
2. MVC?
Same structure (Model, View, Controller).
3. Controller?
Handles user request and loads views/models.
4. DB connection?
Configured in application/config/database.php.
5. Helper?
Predefined functions (URL, form, etc.)
🟡 Intermediate
1. Session?
Stores user data across requests.
2. Form validation?
Validates input using built-in library.
3. Routing?
Maps URL to controller.
4. Active Record?
Query builder for database operations.
🔴 Advanced
1. Performance improvement?
- Enable caching
- Optimize queries
- Compress output
2. CI3 vs CI4?
CI4 is modern, faster, PSR compliant.
3. REST API?
Using controllers + JSON response.
4. Security?
- XSS filtering
- CSRF protection
- Input validation
🧠 Symfony Answers
🟢 Basic
1. Symfony?
A powerful PHP framework for enterprise apps.
2. Bundles?
Reusable packages (like modules).
3. Routing?
Maps URLs to controllers.
🟡 Intermediate
1. Dependency Injection?
Inject services automatically.
2. Service Container?
Manages services and dependencies.
3. Doctrine ORM?
Database abstraction tool.
🔴 Advanced
1. Architecture?
Highly modular, component-based.
2. Reusable components?
Independent packages used in other frameworks.
3. Large apps?
Scalable, structured code, service-based.
4. Laravel vs Symfony?
Laravel = easy, fast
Symfony = complex, enterprise-level
💥 HR + Practical Answers
Explain project
Explain: Problem → Your role → Tech → Result
Example:
“I built a Laravel blog with auth, CRUD, and REST API.”
Error handling?
Use try-catch, logs, Laravel exception handler.
Security?
Validation, CSRF, hashing, authentication.
REST API?
Use routes + controllers + JSON response.
Deployment?
- Upload to server
- Setup DB
- Run migrations
- Configure
.env
🎯 Final Tip
In interview:
👉 Speak simple
👉 Give real examples
👉 Show project experience
