10+ Php and Laravel Developer Interview Questions and Answers

JWT is a compact, self-contained way to securely transmit information between parties as a JSON object.

• JWT is used for authentication and information exchange in APIs.

• It consists of three parts: header, payload, and signature.

• The header typically consists of the type of token and the hashing algorithm used.

• The payload contains the claims, which are statements about an entity and additional data.

• The signature is used to verify that the sender of the JWT is who it says it is an...read more

Service container is a tool in Laravel that manages class dependencies and performs dependency injection.

• Service container in Laravel is used to bind classes and interfaces, resolve dependencies, and manage object instances.

• It allows for inversion of control and dependency injection, making it easier to manage dependencies in the application.

• Service container is accessed using the `app()` helper function or by type-hinting in controller constructors.

• It helps in decoupling cla...read more

Event listener in Laravel is a mechanism to listen for specific events and execute code when those events occur.

• Event listeners are defined in the EventServiceProvider class in Laravel.

• Listeners are registered with events using the listen method.

• Listeners can perform tasks like sending emails, logging information, or updating database records.

• Example: 'UserRegistered' event can have a listener that sends a welcome email to the user.

Eager loading loads all necessary related data upfront, while lazy loading loads related data only when needed.

• Eager loading reduces the number of queries by fetching all necessary data in a single query.

• Lazy loading fetches related data only when it is accessed, which can lead to additional queries being executed.

• Eager loading is more efficient for fetching multiple related records, while lazy loading is more suitable for single record access.

• In Laravel, eager loading is ach...read more

hasMany is a one-to-many relationship where a model has multiple instances of another model, while belongsToMany is a many-to-many relationship where a model belongs to multiple instances of another model.

• hasMany is used when a model has multiple instances of another model, defined using the hasMany method in Laravel.

• belongsToMany is used when a model belongs to multiple instances of another model, defined using the belongsToMany method in Laravel.

• hasMany is a one-to-many rel...read more

Middleware is a software layer that sits between the client and server to handle requests and responses.

• Middleware acts as a bridge between the client and server.

• It can modify the request and response objects.

• Laravel has several built-in middleware like authentication and CSRF protection.

• Custom middleware can also be created for specific needs.

MySQL is a relational database management system, while MongoDB is a NoSQL database.

• MySQL is a relational database, meaning data is stored in tables with rows and columns.

• MongoDB is a NoSQL database, storing data in collections of JSON-like documents.

• MySQL uses SQL for querying data, while MongoDB uses a query language similar to JSON.

• MySQL is ACID-compliant, ensuring data integrity, while MongoDB sacrifices some ACID properties for scalability.

• MySQL is better suited for comp...read more

Developed an ecommerce website using Laravel and integrated payment gateways.

• Built product catalog with categories and filters

• Implemented shopping cart functionality

• Integrated payment gateways like PayPal or Stripe

• Managed user accounts and orders

• Utilized Laravel's MVC architecture for efficient development

Laravel is a popular PHP framework known for its elegant syntax and powerful features.

• Laravel is an open-source PHP framework used for web application development.

• It follows the MVC (Model-View-Controller) architectural pattern.

• Laravel provides features like routing, authentication, caching, and more to simplify development.

• It has a robust ORM (Object-Relational Mapping) called Eloquent for database interactions.

• Laravel has a command-line tool called Artisan for automating re...read more

Laravel is a popular PHP framework known for its elegant syntax and powerful features.

• Laravel is an open-source PHP framework used for web application development.

• It follows the MVC (Model-View-Controller) architectural pattern.

• Laravel provides features like routing, authentication, caching, and more to simplify development.

• It has a robust ORM (Object-Relational Mapping) called Eloquent for database interactions.

• Laravel has a command-line tool called Artisan for automating re...read more

I have worked on various projects ranging from e-commerce websites to CRM systems.

• Developed e-commerce website using Laravel framework

• Implemented CRM system for managing customer data

• Integrated payment gateways for online transactions

• Optimized database queries for improved performance

The question is asking about the salary expectation of 4 lakhs per annum.

• It is important to consider the market rate for Php and Laravel developers in the specific location.

• Candidates should also factor in their level of experience and skills when negotiating salary.

• Researching salary ranges for similar positions can help in determining a reasonable expectation.