Laravel Interview Questions and Answers for freshers/Laravel Interview Questions and Answers for Freshers & Experienced

Which file is used to create a connection with the database?

To create a connection with the database, you can use .env file.

Posted Date:- 2022-02-24 10:50:18

Explain the concept of cookies.

Cookies are small file sent from a particular website and stored on PC by user’s browser while the user is browsing.

Posted Date:- 2022-02-24 10:49:47

What is MVC framework?

It is Model, View, and Controller:

<> Model: Model defines logic to write Laravel application.
<> View: It covers UI logic of Laravel application.
<> Controller: It is work as an interface between Model, and View. It is a way how the user interacts with an application.

Posted Date:- 2022-02-24 10:49:04

How to use the custom table in Laravel Model?

In order to use a custom table, you can override the property of the protected variable $table.

Posted Date:- 2022-02-24 10:48:09

Define Implicit Controller.

Implicit Controllers help you to define a proper route to handle controller action. You can define them in route.php file with Route:: controller() method.

Posted Date:- 2022-02-24 10:47:43

List basic concepts in Laravel?

Following are basic concepts used in Laravel:

<> Routing
<> Eloquent ORM
<> Middleware
<> Security
<> Caching
<> Blade Templating

Posted Date:- 2022-02-24 10:46:04

Explain active record concept in Laravel.

In active record, class map to your database table. It helps you to deal with CRUD operation.

Posted Date:- 2022-02-24 10:45:24

What is the significant difference between insert() and insertGetId() function in Laravel?

<> Insert(): This function is simply used to insert a record into the database. It not necessary that ID should be autoincremented.
<> InsertGetId(): This function also inserts a record into the table, but it is used when the ID field is auto-increment.

Posted Date:- 2022-02-24 10:45:08

How will you check table is exists or in the database?

Use hasTable() Laravel function to check the desired table is exists in the database or not.

Posted Date:- 2022-02-24 10:44:42

Explain faker in Laravel.

It is a type of module or packages which are used to create fake data. This data can be used for testing purpose.

It is can also be used to generate: 1) Numbers, 2) Addresses, 3) DateTime, 4) Payments, and 5) Lorem text.

Posted Date:- 2022-02-24 10:44:23

How can you make real time sitemap.xml file in Laravel?

You can create all web pages of a website to tell the search engine about the organizing site content. The crawlers of search engine read this file intelligently to crawl a website.

Posted Date:- 2022-02-24 10:44:03

Differentiate between delete() and softDeletes().

<> delete(): remove all record from the database table.
<> softDeletes(): It does not remove the data from the table. It is used to flag any record as deleted.

Posted Date:- 2022-02-24 10:41:16

How to configure a mail-in Laravel?

Laravel provides APIs to send an email on local and live server.

Posted Date:- 2022-02-24 10:35:39

What is the use of dd() function?

This function is used to dump contents of a variable to the browser. The full form of dd is Dump and Die.

Posted Date:- 2022-02-24 10:34:24

Explain fluent query builder in Laravel.

It is a database query builder that provides convenient, faster interface to create and run database queries.

Posted Date:- 2022-02-24 10:34:06

What are common HTTP error codes?

The most common HTTP error codes are:

<> Error 404 – Displays when Page is not found.
<> Error- 401 – Displays when an error is not authorized

Posted Date:- 2022-02-24 10:33:45

Which class is used to handle exceptions?

Laravel exceptions are handled by AppExceptionsHandler class.

Posted Date:- 2022-02-24 10:33:15

How can you generate URLs?

Laravel has helpers to generate URLs. This is helpful when you build link in your templates and API response.

Posted Date:- 2022-02-24 10:32:56

Define Lumen

Lumen is a micro-framework. It is a smaller, and faster, version of a building Laravel based services, and REST API’s.

Posted Date:- 2022-02-24 10:32:33

Why are migrations important?

Migrations are important because it allows you to share application by maintaining database consistency. Without migration, it is difficult to share any Laravel application. It also allows you to sync database.

Posted Date:- 2022-02-24 10:30:50

Name databases supported by Laravel.

Laravel supports the following databases:

<> PostgreSQL
<> SQL Server
<> SQLite
<> MySQL

Posted Date:- 2022-02-24 10:30:27

Name the Template Engine utilized by Laravel.

Blade is a powerful template engine utilized by Laravel.

Posted Date:- 2022-02-24 10:29:47

List available types of relationships in Laravel Eloquent.

Types of relationship in Laravel Eloquent are: 1) One To One 2) One To Many 3) Many To Many 4) Has Many Through, and 5) Polymorphic Relations.

Posted Date:- 2022-02-24 10:29:23

How can you reduce memory usage in Laravel?

While processing a large amount of data, you can use the cursor method in order to reduce memory usage.

Posted Date:- 2022-02-24 10:28:48

What does ORM stand for?

ORM stands for Object Relational Mapping

Posted Date:- 2022-02-24 10:27:48

What is database migration. How to create migration via artisan ?

Migrations are like version control for your database, that’s allow your team to easily modify and share the application’s database schema. Migrations are typically paired with Laravel’s schema builder to easily build your application’s database schema.

Use below commands to create migration data via artisan.

// creating Migration
php artisan make:migration create_users_table

Posted Date:- 2022-02-24 10:27:16

Explain the concept of events in Laravel.

An event is an occurrence or action that help you to subscribe and listen for events that occur in Laravel application. Some of the events are fired automatically by Laravel when any activity occurs.

Posted Date:- 2022-02-24 10:26:57

How can you enable query log in Laravel?

You can use enableQueryLog method to enable query log in Laravel.

Posted Date:- 2022-02-24 10:26:33

What is service container in Laravel?

Service container is a tool used for performing dependency injection in Laravel.

Posted Date:- 2022-02-24 10:26:18

Explain Laravel’s service container ?

One of the most powerful feature of Laravel is its Service Container. It is a powerful tool for resolving class dependencies and performing dependency injection in Laravel.
Dependency injection is a fancy phrase that essentially means class dependencies are “injected” into the class via the constructor or, in some cases, “setter” methods.

Posted Date:- 2022-02-24 10:19:07

What is database migration. How to create migration via artisan ?

Migrations are like version control for your database, that’s allow your team to easily modify and share the application’s database schema. Migrations are typically paired with Laravel’s schema builder to easily build your application’s database schema.

Use below commands to create migration data via artisan.

// creating Migration
php artisan make:migration create_users_table

Posted Date:- 2022-02-24 10:18:27

List default packages of Laravel 5.6.

Default packages of Laravel 5.6 are: 1) Envoy, 2) Passport, 3) Socialite, 4) Cashier, 5) Horizon, and 6) Scout.

Posted Date:- 2022-02-24 10:18:06

State the difference between get and post method.

Get method allows you to send a limited amount of data in the header. Post allows you to send a large amount of data in the body.

Posted Date:- 2022-02-24 10:17:37

Where will you define Laravel’s Facades?

All facades of Laravel have defined in IlluminateSupportFacades namespace.

Posted Date:- 2022-02-24 10:17:22

How will you register service providers?

You can register service providers in the config/app.php configuration file that contains an array where you can mention the service provider class name.

Posted Date:- 2022-02-24 10:17:07

Explain the concept of contracts in Laravel.

They are set of interfaces of Laravel framework. These contracts provide core services. Contracts defined in Laravel include corresponding implementation of framework.

Posted Date:- 2022-02-24 10:16:17

Explain traits in Laravel.

Laravel traits are a group of functions that you include within another class. A trait is like an abstract class. You cannot instantiate directly, but its methods can be used in concreate class.

Posted Date:- 2022-02-24 10:14:53

Explain reverse routing in Laravel.

Reverse routing is a method of generating URL based on symbol or name. It makes your Laravel application flexible.

Posted Date:- 2022-02-24 10:14:22

What is a Controller?

A controller is the “C” in the “MVC” (Model-View-Controller) architecture, which is what Laravel is based on.

Posted Date:- 2022-02-24 10:13:45

List some default packages provided by Laravel Framework?

Below are a list of some official/ default packages provided by Laravel

<> Cashier
<> Envoy
<> Passport
<> Scout
<> Socialite
<> Horizon
<> Telescope

Posted Date:- 2022-02-24 10:13:08

What is PHP artisan. List out some artisan commands ?

PHP artisan is the command line interface/tool included with Laravel. It provides a number of helpful commands that can help you while you build your application easily. Here are the list of some artisan command:-

<> php artisan list
<> php artisan help
<> php artisan tinker
<> php artisan make
<> php artisan –versian
<> php artisan make model model_name
<> php artisan make controller controller_name

Posted Date:- 2022-02-24 10:12:21

How to install laravel via composer ?

The installation of Laravel via composer is very easy. You can install Laravel via composer by running the below command in the command prompt.

composer create-project laravel/laravel your-project-name version

Posted Date:- 2022-02-24 10:11:40

What is the latest version of Laravel?

Laravel 8 is the latest version of Laravel. It was officially released on 11 Sep 2020. Laravel 8 has made with new features like Laravel Jetstream, Migration Squashing, Model Factory classes, Tailwind CSS (Used for Pagination Views), and usability improvements.

Posted Date:- 2022-02-24 10:11:20

What do you mean by bundles?

In Laravel, bundles are referred to as packages. These packages are used to increase the functionality of Laravel. A package can have views, configuration, migrations, routes, and tasks.

Posted Date:- 2022-02-24 10:10:26

Why use Route?

Routes are stored inside files under the /routes folder inside the project’s root directory. By default, there are a few different files corresponding to the different “sides” of the application (“sides” comes from the hexagonal architecture methodology).

Posted Date:- 2022-02-24 10:10:08

What is a Route?

A route is basically an endpoint specified by a URI (Uniform Resource Identifier). It acts as a pointer in Laravel application.

Most commonly, a route simply points to a method on a controller and also dictates which HTTP methods are able to hit that URI.

Posted Date:- 2022-02-24 10:09:53

Name aggregates methods of query builder.

Aggregates methods of query builder are: 1) max(), 2) min(), 3) sum(), 4) avg(), and 5) count().

Posted Date:- 2022-02-24 10:09:39

What is HTTP middleware?

HTTP middleware is a technique for filtering HTTP requests. Laravel includes a middleware that checks whether application user is authenticated or not.

Posted Date:- 2022-02-24 10:09:24

Define composer.

It is an application-level package manager for PHP. It provides a standard format for managing PHP software dependencies and libraries.

Posted Date:- 2022-02-24 10:09:03

What is the latest Laravel version?

The latest Laravel version is version 8, which was released on September 8th, 2020.

Posted Date:- 2022-02-24 10:08:47

What is Laravel?

Laravel is an open-source widely used PHP framework. The platform was intended for the development of web application by using MVC architectural pattern. Laravel is released under the MIT license.

Therefore, its source code is hosted on GitHub. It is a reliable PHP framework as it follows expressive and accurate language rules.

Posted Date:- 2022-02-24 10:08:32

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