30 laravel Interview questions

 1. What is Laravel?
Laravel is a free, open-source PHP web framework, created by Taylor Otwell and intended for the development of web applications following the model–view–controller (MVC) architectural pattern.

2. What is laravel eloquent?
Eloquent is the very powerful and expressive ORM or Object Relational Mapper in Laravel. If you know how to work with Objects in PHP, then you know how to use Eloquent! Well, it’s not *quite* that simple, but we do have the most expressive syntax yet in PHP for working with Models by way of Eloquent.

3. What is a facade in Laravel?
A facade is a class wrapping a complex library to provide a simple and more readable interface to it. The facade pattern is a software design pattern that is often used in an object-oriented programming language.

4. What is Softdeletes laravel?
Laravels Soft Deleting allows you to retain deleted records in your database so they can be used or restored at a later point.

5. What is $fillable in laravel?
$fillable is an array that contains all those fields of table which can be filled using mass-assignment. We can define those fields which can be created/ filled by mass-assignment by use of fillable.

6. What are the facades in laravel?
A Facade is a name given to a type of class in the Laravel framework that enables beginner-friendly and/or aesthetically pleasing access to tools and services held within the framework’s IoC container.

7. What is the trait in laravel?
Traits are a mechanism for code reuse in single inheritance languages such as PHP. A Trait is intended to reduce some limitations of single inheritance by enabling a developer to reuse sets of methods freely in several independent classes living in different class hierarchies.

8. What is laravel language?
Localization in Laravel in it’s simplest term means changing the application’s default language to the language preferred by the user.

9. Tell some about reverse routing in laravel?
Laravel Reverse routing is the process of generating the URL based on name or symbol. It generates URL’s based on route declarations. Reverse routing makes your application so much more flexible and helps the developer to write cleaner codes in View. It defines a relationship between links and Laravel routes.

10. What are service providers in Laravel?
Service providers in laravel are the central place of all Laravel application bootstrapping. Service providers are the central place to configure your application. If you open the config/app. php file included with Laravel, you will see a provider’s array.

11. Explain faker in Laravel.
Faker is a powerful easy to use a library that allows developers to quickly create thousands of dummy records for the database during development. Faker is usually used together with model factories.

12. Explain Few words of Implicit Controller.
Implicit Controllers helped you to define a real route to handle controller action. You can define them in route.php file with Route:: controller() method.

13. What is MVC in Laravel?
MVC frameworks are libraries that can be included alongside JavaScript to provide a layer of abstraction on top of the core language.
MVC stands for (Model-View-Controller).

14. Which one file is used to create a connection with the database?
The .env file. is used to create a connection with the database.

15. What is the Laravel API rate limit?
Using Laravel 5.7. 15 and the API works but is by default limiting to 60 calls a minute. But when I try to limit my API to 7000 requests per minute it still only allows 60 requests.

16. What is a throttle in laravel?
Laravel Throttle by Graham Cambell. We often use throttling in the Laravels API middleware group to help prevent excessive connections to the API routes. It’s also a great way to throttle things.

17. What is reverse routing?
Reverse-Routing with Controller Actions Reverse-routing is generating URLs based on route declarations.

18. How to check the Laravel version?
Use PHP artisan –version command to check the currently installed version of Laravel Framework.

19. How to remove the public from URL in Laravel?
We can remove public form URL in laravel you should rename the file in the Laravel root directory and after that update the .htaccess in the root folder using the code-

20. What is a facade in Laravel?
A Laravel facade is a class that provides a static-like interface to services inside the container. These facades, according to the documentation, serve as a proxy for accessing the underlying implementation of the container’s services.

21. What is CSRF token and how it works?
This token called a CSRF Token or a Synchronizer Token works as follows: The client requests an HTML page that contains a form. … When the client submits the form, it must send both tokens back to the server. The client sends the cookie token as a cookie, and it sends the form token inside the form data.

22. What is Laravel Forge?
A forge is a tool that helps in organizing and designing a web application. Although the manufacturers of the Laravel framework developed it, it can automate the deployment of every web application that works on a PHP server.

23. Explain laravel service containers?
The laravel service container is a great and powerful tool to manage dependencies and to perform dependency injection. So now the question comes what is dependency injection – In class dependencies will be injected through either constructor or setter method.

24. what is PHP artisan in laravel? In a few words,
PHP artisan is a command based (CLI) tool in laravel, It provides a good number of commands that can help us to build an application faster. Artisan commands are available by default for all important operations like database seeding, migration, cache configuration to clearing cache, setting application namespace, event, and key generation, queueing, running scheduled tasks, etc.

25. What is a Lumen?
Lumen is an open-source PHP micro-framework created by Taylor Otwell as an alternative to Laravel to meet the demand of lightweight installations that are faster than existing PHP micro-frameworks such as Slim and Silex.

26. How to make a helper file in laravel?
We can make a helper file in laravel
Create helpers.php File. after doing this we need to create helper. php in the laravel project inside the app directory. Update the below-given code into your file. after that
Add File Path In composer. json File. In this second step, you will add the path of the helpers file in the composer.json file.

27. What is HTTP middleware?
Middleware is another essential component of Laravel and provides the method to filter HTTP requests that get entered into your project. Let us assume a situation where this middleware of Laravel checks for an authenticated user of your software or project. In case the authentication is verified as valid, the middleware feature will let the user proceed with your project.

28. What are the traits in Laravel?
Traits are a mechanism for code reuse in single inheritance languages such as PHP. A Trait is intended to reduce some limitations of single inheritance by enabling a developer to reuse sets of methods freely in several independent classes living in different class hierarchies.

29. What are Queues?
Laravel queues provide a unified API across a variety of different queue backends, such as Beanstalk, Amazon SQS, Redis, or even a relational database.

30. What is a Singleton design pattern?
The Singleton Pattern in Laravel. The singleton pattern is when a class has a single instance of itself. we can say that whenever we want to use an instance of the class, we are using the same instance.

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