21⟩ Tell me how do you do dependency injection in Laravel?
Tests knowledge of dependency injection in general, as well as applicant's understanding of Laravel's IoC works.
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“Laravel PHP Developer related Frequently Asked Questions by expert members with job experience as Laravel PHP Developer. These questions and answers will help you strengthen your technical skills, prepare for the new job interview and quickly revise your concepts”
65 Laravel PHP Developer Questions And Answers
22⟩ Explain me Active Record Implementation. How to use it Laravel?
Active Record Implementation is an architectural pattern found in software engineering that stores in-memory object data in relational databases. Active Record facilitates the creation and use of business objects whose data is required to persistent in the database. Laravel implements Active Records by Eloquent ORM. Below is sample usage of Active Records Implementation is Laravel.
$product = new Product;
$product->title = 'Iphone 6s';
$product->save();
Active Record style ORMs map an object to a database row. In the above example, we would be mapping the Product object to a row in the products table of database.
23⟩ Tell me what are pros and cons of using Laravel Framework?
Pros of using laravel Framework
☛ Laravel framework has in-built lightweight blade template engine to speed up compiling tasks, and create layouts with dynamic content easily.
☛ Hassles code reusability.
☛ Eloquent ORM with PHP active record implementation
☛ Built in command line tool “Artisan” for creating a code skeleton ,database structure and build their migration
Cons of using laravel Framework
☛ Development process requires you to work with standards and should have real understanding of programming
☛ Laravel is new framework and composer is not so strong in compare to npm (for node.js), ruby gems and python pip.
☛ Development in laravel is not so fast in compare to ruby on rails.
☛ Laravel is lightweight so it has less inbuilt support in compare to django and rails. But this problem can be solved by integrating third party tools, but for large and very custom websites it may be a tedious task
24⟩ Do you know what is Method Spoofing in Laravel?
As HTML forms does not supports PUT, PATCH or DELETE request. So, when defining PUT, PATCH or DELETE routes that are called from an HTML form, you will need to add a hidden _method field to the form. The value sent with the _method field will be used as the HTTP request method:
<form action="/foo/bar" method="POST">
<input type="hidden" name="_method" value="PUT">
<input type="hidden" name="_token" value="{{ csrf_token() }}">
</form>
To generate the hidden input field _method, you may also use the method_field helper function:
<?php echo method_field('PUT'); ?>
In Blade template you can write it as below
{{ method_field('PUT') }}
25⟩ Tell me is Laravel An Open Source?
Yes, Download the framework and use as per your requirement
26⟩ Tell me what is the purpose of using dd() function iin laravel?
Laravel’s dd() is a helper function ,which will dump a variable’s contents to the browser and halt further script execution.
27⟩ Do you know what version of Laravel do you generally use?
The current version is 5.1.x which has been named LTS. Before 5.x was released, 4.2 was the version a lot of people used. It doesn't matter exactly which version they used (although 5.1.x is a better answer to hear), but it's nice to hear how they talk about the different versions.
If they say they used to use 4.x but now use 5.x here are some potential questions:
Do you like the new folder structure introduced in 5.0?
Did you migrate any existing 4.x applications to 5.x? If yes, tell me about that.
28⟩ Tell me what Is System Requirement For Installation Of Laravel 5.2 (latest Version)?
☛ PHP >= 5.5.9
☛ OpenSSL PHP Extension
☛ PDO PHP Extension
☛ Mbstring PHP Extension
☛ Tokenizer PHP Extension
29⟩ Tell me how To Set Database Connection In Laravel?
Database configuration file path is : config/database.php
Following are sample of database file :
'mysql' => [
'read' => [
'host' => 'localhost',
],
'write' => [
'host' => 'localhost'
],
'driver' => 'mysql',
'database' => 'database',
'username' => 'root',
'password' => '',
'charset' => 'utf8',
'collation' => 'utf8_unicode_ci',
'prefix' => '',
],
30⟩ Explain me how to assign multiple middleware to Laravel route ?
You can assign multiple middleware to Laravel route by using middleware method.
Example
// Assign multiple multiple middleware to Laravel to specific route
Route::get('/', function () {
//
})->middleware('firstMiddleware', 'secondMiddleware');
// Assign multiple multiple middleware to Laravel to route groups
Route::group(['middleware' => ['firstMiddleware','secondMiddleware']], function () {
//
});
31⟩ What is Composer in Laravel PHP?
Composer is a dependency manager for PHP. Composer will manage the dependencies you require on a project by project basis. This means that Composer will pull in all the required libraries, dependencies and manage them all in one place
32⟩ Please explain what are the main differences between Laravel 4 and Laravel 5.x?
Summarizing Laravel 5.0 Release notes from the above article:
☛ 1. The old app/models directory has been entirely removed.
☛ 2. Controllers, middleware, and requests (a new type of class in Laravel 5.0) are now grouped under the app/Http directory.
☛ 3. A new app/Providers directory replaces the app/start files from previous versions of Laravel 4.x.
☛ 4. Application language files and views have been moved to the resources directory.
☛ 5. All major Laravel components implement interfaces which are located in the illuminate/contracts repository.
☛ 6. New route:cache Artisan command to drastically speed up the registration of your routes.
☛ 7. Laravel 5 now supports HTTP middleware, and the included authentication and CSRF "filters" have been converted to middleware.
☛ 8. you may now type-hint dependencies on controller methods.
☛ 9. User registration, authentication, and password reset controllers are now included out of the box, as well as simple corresponding views, which are located at resources/views/auth.
☛ 10. You may now define events as objects instead of simply using strings.
☛ 11. In addition to the queue job format supported in Laravel 4, Laravel 5 allows you to represent your queued jobs as simple command objects. These commands live in the app/Commands directory.
☛ 12. A database queue driver is now included in Laravel, providing a simple, local queue driver that requires no extra package installation beyond your database software.
☛ 13. Laravel command scheduler allows you to fluently and expressively define your command schedule within Laravel itself, and only a single Cron entry is needed on your server.
☛ 14. The php artisan tinker command now utilizes Psysh by Justin Hileman, a more robust REPL for PHP.
☛ 15. Laravel 5 now utilizes DotEnv by Vance Lucas.
☛ 16. Laravel Elixir, by Jeffrey Way, provides a fluent, expressive interface to compiling and concatenating your assets.
☛ 17. Laravel Socialite is an optional, Laravel 5.0+ compatible package that provides totally painless authentication with OAuth providers.
☛ 18. Laravel now includes the powerful Flysystem filesystem abstraction library, providing pain free integration with local, Amazon S3, and Rackspace cloud storage - all with one, unified and elegant API!
☛ 19. Laravel 5.0 introduces form requests, which extend the IlluminateFoundationHttpFormRequest class. These request objects can be combined with controller method injection to provide a boiler-plate free method of validating user input.
☛ 20. The Laravel 5 base controller now includes a ValidatesRequests trait. This trait provides a simple validate method to validate incoming requests.
☛ 21. new Artisan generator commands have been added to the framework.
☛ 22. The popular dd helper function, which dumps variable debug information, has been upgraded to use the amazing Symfony VarDumper.
33⟩ Tell me what Are The Feature Of Laravel 5.0?
☛ Method injection
☛ Contracts
☛ Route caching
☛ Events object
☛ Multiple file system
☛ Authentication Scaffolding
☛ dotenv – Environment Detection
☛ Laravel Scheduler
34⟩ Do you know validations in laravel?
In Programming validations are a handy way to ensure that your data is always in a clean and expected format before it gets into your database. Laravel provides several different ways to validate your application incoming data.By default Laravel’s base controller class uses a ValidatesRequeststrait which provides a convenient method to validate all incoming HTTP requests coming from client.You can also validate data in laravel by creating Form Request.
35⟩ Tell me how would you add a 3rd party package like Sentry?
tests both Composer knowledge and registering service providers in Laravel)**
36⟩ Tell me does laravel support php 7?
Yes,laravel supports php 7
37⟩ Explain me what is your favorite feature of Laravel?
If they only say "it's easy to get started" then it's probably safe to assume they are not an expert.
38⟩ Tell me what Is Official Website Url Of Laravel?
laravel.com.
39⟩ Do you know what Developed The Laravel?
Taylor Otwell.
40⟩ Do you know how To Use Delete Statement In Laravel?
DB::delete('delete from users where id = ?', [1015]);
