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1) what is Laravel?

Laravel is an open source, widely used PHP framework. The platform is mainly used to develop web applications using MVC architecture pattern. Laravel is released under the license of MIT.

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

2) define Composer.

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

3) what is HTTP middleware?

HTTP middleware is a technology for filtering HTTP requests. Laravel includes a middleware that checks whether the application user has been authenticated.

4) the method name of the aggregate query builder

The query builder aggregates as follows: 1) max (), 2) min (), 3) sum (), 4) avg (), and 5) count ().

5) what is Route?

Routes are basically endpoints specified by URI (uniform Resource Identifier). It acts as a pointer in a Laravel application.

Most often, the route points to the method on the controller and also indicates which HTTP methods can access the URI.

6) Why use Route?

Routes are stored in files in / routes folder under the root of the project. By default, there are several different files that correspond to different "faces" of the application ("faces" come from the hexagonal architecture method).

8) explain the important directories used in generic Laravel applications.

The directories commonly used in Laravel applications are:

App/: this is the source folder where our application code is located. All controllers, policies, and models are in this folder.

Config/: saves the configuration file for the application. These are usually not modified directly, but depend on the values set in the .env (environment) file under the root of the application.

Database/: holds database files, including migration, data filling, and test factories.

Public/: publicly accessible folders that contain compiled resources and, of course, index.php files.

9) what is Controller?

The controller is the "C" in the "MVC" (Model-View-Controller) architecture on which Laravel is based.

10) explain reverse routing in Laravel.

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

12) explain the characteristics of traits in Laravel.

Laravel traits is a set of functions contained in another class. An trait is like an abstract class. You cannot instantiate it directly, but you can try its methods in other classes.

13) explain the concept of contract in Laravel.

They are the interface collections of the Laravel framework. These contracts provide core services. The contract in Laravel includes the corresponding framework implementation.

14) how do I register your service provider?

You can register the service provider in the config/app.php profile, which contains an array in which you can configure the class name of the service provider.

15) how to define the facade of Laravel?

All facades are defined in the Illuminate\ Support\ Facades namespace.

16) explain the difference between get and post

The Get method allows a limited amount of data to be sent in the request header (header). Post allows a large amount of data to be sent in the body.

17) list the software packages in Laravel 5.6

The default packages in Laravel 5.6are:

1) Envoy, 2) Passport, 3) Socialite, 4) Cashier, 5) Horizon, 6) Scout.

18) what is the service container in Laravel

A service container is a tool for performing dependency injection in Laravel.

19) how to open the query log in Laravel?

You can use the enableQueryLog method to enable query logging in Laravel.

20) explain the concept of events in Laravel.

An event is an action or action that helps you subscribe to and listen for events that occur in a Laravel application. When any activity occurs, Laravel automatically initiates certain events.

21) talk about dependency injection and the types of dependency injection.

It is a technology in which one object depends on the other.

There are three types of dependency injection:

Constructor injection

Setter injection

Interface injection.

22) what are the advantages of using laravel?

Here are the main benefits of laravel:

Laravel has a blade template engine that creates dynamic layouts and adds compilation tasks.

The code can be easily reused.

You do not need to maintain and include paths manually because Laravel has automatic loading capabilities.

This framework can help you make new tools using LOC containers.

Laravel provides a version control system to help simplify migration management.

23) explain the concept of validation in Laravel.

Validation is an important concept when designing any Laravel application. It ensures that the data is always in the expected format before it is stored in the database. Laravel provides a variety of ways to validate data.

The underlying controller is characterized by the use of the ValidatesRequests class, which provides a useful way to validate requests from client computers.

24) what does ORM stand for?

ORM stands for object-relational mapping

25) how to reduce memory usage in Laravel?

When dealing with large amounts of data, you can use the cursor method to reduce memory usage

26) list the relationship types available in Laravel Eloquent.

The types of relationships available in Laravel Eloquent are:

one-for-one

One to many

Many to many

Many-to-many association hasManyThrough

Polymorphic relation

27) define the template engine used by Laravel.

Blade is a powerful template engine used by Laravel.

28) list the databases supported by Laravel.

Laravel supports the following databases:

PostgreSQL

SQL Server

SQLite

MySQL

29) Why is migration important?

Migration is important because it allows you to share applications by maintaining database consistency.

Without migration, it is difficult to share any Laravel applications.

It also allows you to synchronize the database.

30) define Lumen

Lumen is a miniature framework. It is a smaller, faster version based on Laravel services and REST API.

31) explain PHP artisan

Artisan is a command line tool for Laravel. It provides commands to help you easily build Laravel applications.

32) how do I generate a link?

Laravel uses the helpers function to generate links. This is helpful when you establish a link between the template and the API response.

33) which class is used to handle exceptions?

The Laravel exception is handled by the App.exceptions.handler class.

34) what are common HTTP error codes?

The most common HTTP error codes are:

-error 404-displayed when the page is not found.

-error-401-displayed on unauthorized error

35) explain the Fluent query builder in Laravel

It is a database query generator that provides a convenient and quick interface to create and run database queries.

36) what is the purpose of the dd () function?

This function is used to print the contents of the variable to the browser. The full format of dd is Dump and Die.

37) list the common artisan commands used in Laravel.

Laravel supports the following craftsman commands:

PHP artisan down

PHP artisan up

PHP artisan make:controller

PHP artisan make:model

PHP artisan make:migration

PHP artisan make:middleware

38) how to configure mail delivery in Laravel?

Laravel provides some API to send e-mail on local and real-time servers.

39) explain authorization

This is a way to use a password to identify the user's login credentials. In Laravel, you can manage it with a session with two parameters, 1) username and 2) password.

40) delete (): delete all records from the database table

-delete (): deletes all records from the database table.

-softDeletes (): data is not deleted from the table. It is used to mark any record as deleted.

41) how to make real-time sitemap.xml files in Laravel?

You can create all the pages of a site to inform search engines about organizing the content of the site. The search engine's searcher will intelligently read this file to search the site.

42) explain the faker in Laravel.

It is a module or software package used to create forged data. This data can be used for testing purposes.

It can also be used to generate:

Figures

Address

DateTime

Payment

Lorem text.

How will you check that the table exists in the database?

Use the hasTable () function in Laravel to check whether the desired table exists in the database.

44) what is the significant difference between the insert () and insertGetId () functions in Laravel?

Insert (): this function is only used to insert records into the database. Do not return self-incrementing ID

InsertGetId (): this function inserts a record into the table, but is used when the ID field is automatically incremented. (insert record and return self-incrementing ID)

45) explain the activity record in Laravel-active record

In the activity record, the class maps to your database table. It can help you handle CRUD operations.

46) list the basic concepts in Laravel

The following are the basic concepts used in laravel:

Routin

Eloquent ORM

Middle ware

Safety

Caching

Blade template

47) define an implicit controller.

Implicit controllers help you define appropriate routes to handle controller operations. You can define them in the route.php file using the Route:: controller () method.

48) how do I customize the table name in the Laravel model?

By customizing the table name, you can override the value of the protected variable $table.

49) what is the MVC framework?

It is the model, view, and controller:

Model: the model defines the logic for writing Laravel applications.

View: it covers the UI logic of Laravel applications.

Controller: it is the interface between the model and the view. This is a way for users to interact with the application.

50) define @ include.

@ include is used to load multiple template view files. It helps you include the view in another view. You can also load multiple files in a single view.

51) explain the concept of cookies.

Cookies is a small file sent from a specific Web site and stored on PC by the user's browser when the user browses it.

52) which file is used to establish a connection to the database?

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

53) what is Eloquent?

Eloquent is the ORM used in laravel. It provides a simple active record implementation for use with the database. Each database table has its model, which is used to interact with the table.

54) list some of Laravel's built-in authentication controllers.

The Laravel installation has a set of built-in universal authentication controllers. These controllers are:

RegisterController

LoginController

ResetPasswordController

ForgetPasswordController

55) explain Laravel guard (Guards).

Laravel Guard is a special component for finding authenticated users.

The requested incoming route is initially used to validate the credentials entered by the user through this guard. Protective measures are defined in the.. / config/auth.php file.

56) what is Laravel API current restriction?

This is the function of Laravel. It provides current-limiting processing function. Current limiting can help Laravel developers develop secure applications and prevent DOS attacks.

57) explain the set Collections in vaguely laravel.

The collection Collections is a wrapper class for arrays. Laravel Eloquent's query uses a set of the most commonly used functions to return database results.

58) what is the purpose of DB Facade?

DB Facade is used to run SQL queries, such as create, query, update, insert and delete.

59) what is the purpose of object-relational mapping?

Object-relational mapping is a technology that helps developers address, access, and manipulate objects without considering the relationship between objects and their data sources.

60) explain the routing concept in Laravel.

It allows all your application requests to be routed to the controller. Laravel routes confirm and accept uniform resource identifiers with closures.

61) what is Ajax in Laravel?

Ajax stands for Asynchronous JavaScript,XML is a Web development technology used to create asynchronous Web applications. In Laravel, the response () and json () functions are used to create asynchronous Web applications.

62) what is session in Laravel?

Session is used to pass user information from one web page to another. Laravel provides a variety of drivers (such as cookie, arrays, files, Memcached, and Redis) to process session data.

63) how do I access session session data?

Session data can be accessed by creating an instance of the session in the HTTP request. After getting the instance, use the get () method with "Key" as a parameter to get session details.

64) explain the difference between authentication and authorization.

Authentication refers to confirming the identity of the user through credentials, while authorization refers to the collection of access to the system.

65) explain the listener-listeners.

Listener-listeners is used to handle events and exceptions. The most common listener for login events in Laravel is LoginListener.

66) what kind of strategy?

The policy class includes authorization logic for the Laravel application. These classes are used for specific models or resources.

67) how do I roll back the last migration migration?

You need to roll back the last migration using the artisan command.

68) what do you mean by Laravel Dusk?

Laravel Dusk is a tool for testing JavaScript-enabled applications. It provides powerful browser automation and testing API.

69) explain Laravel echo.

It is a JavaScript library that can subscribe to and listen to channel Laravel events. You can use the NPM package manager to install echo.

70) what is the make method?

Laravel developers can use the make method to bind interfaces to create classes. This method returns an instance of a class or interface. Laravel automatically injects dependencies defined in the class constructor.

71) explain the Response in Laravel.

All controllers and routes should return a response and send it back to the Web browser. Laravel provides several ways to return this response. The most basic response is to return a string from the controller or route.

72) what is the scope of the query?

One of the features of Laravel is that we can reuse similar queries. We don't need to write the same type of query again in the Laravel project. After defining the scope, you only need to call the scope method when querying the model.

73) explain the homestead in Laravel.

Laravel homestead is the official, disposable, pre-packaged vagrant box that has a powerful development environment and eliminates the need to install HHVM,Web servers and PHP on your computer.

74) what is the namespace in Laravel?

Namespaces allow users to group functions, classes, and constants with specific names.

76) explain the difference between CodeIgniter and Laravel. ParameterCodeIgniterLaravel supports ORM and does not support object-relational mapping. Support ORM. Providing authentication does provide user authentication with built-in user authentication programming examples object-oriented component-oriented support for other databases Microsoft SQL Server, ORACLE, MYSQL, IBM DB2, PostgreSQL, JDBC and orientDB are compatible with it supports PostgreSQL,MySQL,MongoDB and Microsoft BI, but CodeIgniter also supports other databases, such as Microsoft SQL Server,DB2,Oracle HTTPS support CodeIgniter partial support HTTPS. Therefore, programmers can use URL to protect the data transfer process by creating a PATS. Laravel supports custom HTTPS routing. Programmers can create specific URL for the HTTPS routes they define. 77) what is the Observer Observers?

Model Observers is a function of Laravel. It is used to build a cluster of event listeners for the model. The method names of these classes describe the Eloquent event. The Observers class method receives the model as a parameter.

78) what is the purpose of the bootstrap directory?

It is used to initialize the Laravel project. This boot directory contains the app.php file responsible for booting the framework.

79) what is the default session timeout?

The default timeout for Laravel sessions is 2 hours.

80) how do I delete compiled class files?

Use the clear-compiled command to delete the compiled class file.

81) which folder is the robot.txt in?

The Robot.txt file is placed in the Public directory.

82) explain API.PHP routing.

Its routes correspond to API clusters. It has API middleware enabled by default in Laravel. These routes have no state, no cross-request memory, and no session session.

83) what is a defined route?

Defining a route is a way to generate a routing path. The links to these routes can be explained by defining the routing method

84) what is open source software?

Open source software is software that can obtain source code for free. The source code can be shared and modified according to user requirements.

85) explain the Loggin in Laravel.

It is a technique for generating system error logs. Loggin helps to improve the reliability of the system. Laravel supports various logging modes, such as syslog, daily, single, and error logging modes.

86) what is localization?

One of the functions of Laravel is to support a variety of languages used in applications. Developers can store strings in different languages in files, which are stored in the resources / views folder. Developers should create a separate folder for each supported language.

87) define hashing in Laravel.

This is the way to convert text to key that displays the original text. Laravel uses Hash facade to securely store passwords in a hash.

88) explain the concepts of encryption and decryption in Laravel.

Encryption is the process of using some algorithms to convert any information in a way that cannot be read by a third user. Encryption can protect your sensitive information from intrusion.

Use the encryption process to perform encryption. The message to be encrypted is called a pure message. The encrypted message is called a password message. When converting ciphertext to plain text or messages, this process is called decryption.

89) how do I share data with views?

To pass data to all views in Laravel, use a method called share (). This method takes two parameters, key and value.

Typically, the share () method is called from the boot method of the Laravel application service provider. Developers can use any service provider,AppServiceProvider or our own service provider.

90) explain web.php routing.

Web.php is based on public "browser" routing. This is the most common approach, and it is also a problem encountered by web browsers. They traverse Web middleware groups, include CSRF protection tools (to help protect against form-based malicious attacks and hackers), and usually contain a degree of "state" (I mean they take advantage of session sessions).

91) how do I generate a request in Laravel?

Use the following artisan command in Laravel to generate the request:

Php artisan make:request UploadFileRequest so far, I believe you have a deeper understanding of "what are the common laravel interview questions?" you might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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