Interview Questions.

Question 1. What Is Symfony?

Answer :

Symfony is a hard and fast of PHP Components and leading PHP framework to create websites and dynamic net applications.It follows MVC layout pattern and released below the MIT License.

Question 2. Is Symfony Is Open Sourced Framework?

Answer :

Yes, Symfony is open sourced Framework launched beneath the MIT License.

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Question 3. What Is The Latest Version Of Symfony?List Server Requirements To Install It?

Answer :

Symfony three.3 is the trendy version of Symfony.

To install and run Symfony 3, your server must fulfill following requirements

PHP >= 5.Five.Nine
Composer
JSON enabled
ctype enabled
date.Timezone should be set (default timezone will now not paintings)
Question four. Which Template Engine Symfony Supports?

Answer :

Symfony default template engine is Twig, however, your are unfastened to use plain PHP code in case you need.

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Question five. What Are Bundles In Symfony?

Answer :

Symfony package deal are very just like plugins or applications in different frameworks or CMS. In Symfony, the entirety is a package from center framework components to code you write.The bundle offers the flexibility to use pre-built features packaged in 1/3-birthday celebration bundles or to create and distribute your personal bundles.

There are two types of bundles are to be had in Symfony :

Application-specific bundles: only used to build your application.
Reusable bundles: intended to be shared throughout many tasks.
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Question 6. Is Symfony Is Configuration Or Convention Based Framework?

Answer :

Symfony is convention based Framework.

Question 7. How To Get The Current Route In Symfony Framework?

Answer :

You can get present day direction in Symfony the use of $request->get(‘_route’); method.

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Question eight. How To Get The List Of All Installed Packages In Composer?

Answer :

composer display command is used to list all installed applications/dependencies of your modern challenge.

Question 9. How To Set And Get Session In Symfony2?

Answer :

SessionInterface object set and get method is used to set and get periods in Symfony2.

Below look below example:

public feature sessionAction(SessionInterface $consultation)

    // keep an attribute for reuse at some point of a later consumer request

    $consultation->set('user_id', five);

   // get the characteristic set with the aid of any other controller in any other request

    $user_id = $session->get('user_id');  

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Question 10. How To Get The Request Parameters In Symfony2?

Answer :

$request->query->get(‘paraemeter_name’) method is used to get the request parameters in symfony2.

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Question 11. What Is The Method Name In The Kernel Class To Enable Bundles In Symfony?

Answer :

Kernel’s class registerBundles() technique is used to allow bundles in Symfony.

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Question 12. What Are Descriptors In Symfony?

Answer :

Descriptors are items to render documentation on Symfony Console Apps.

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Question thirteen. Do Bundles Have Fixed Directory Structure In Symfony?

Answer :

No.

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Question 14. What Rules Do You Follow At The Time Of Creating Methods Within The Controller In Symfony?

Answer :

General guidelines for developing a method in in the controller in Symfony.

Only action strategies need to be public.
Controller methods must be brief; in case your controller is lengthy, recall refactoring it.
Action methods should have the “Action” suffix
Action techniques should go back a valid reaction item
Question 15. How To Create A Symfony Application Using Composer?

Answer :

Run beneath command for your console to install Symfony the usage of Composer:

composer create-project symfony/framework-preferred-edition my_project_name

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