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Zend 2 Framework Interview Questions

Zend 2 Framework Interview Questions

An Overview of Zend Framework 2

Zend Framework is an advanced, open source and object-oriented web application framework implemented in PHP7. It’s an extensive collection of professional PHP based packages. Often called as a component library; the Zend Framework has numerous loosely coupled components that developers can use independently according to their requires more or less. Zend Framework 2 was released on 6 August 2010, and the contributors of Zend Framework 2 have already ended its life cycle on 31 March 2018. Zend framework is now running with its version 3.0. The framework offers an advanced Model-View-Controller implementation which can be used by developers to build a basic structure for all Zend framework applications. If you are an active aspirant of Zend development career, which is popular among global recruiters, follow this further to get the Zend framework 2 interview questions for you to practice.

Advantages of Zend Framework 2

  • It offers an event focused MVC layer & got a module management system.
  • It has a flexible architecture due to the use of dependency injection.
  • Implementation of powerful configuration and service locator.
  • New packaging system and new MVC on the basis of events.

To enhance your skills and know-how related to the Zend framework, now let’s discuss a set of best technical Zend framework 2 interview questions and answers for your acknowledgment.

Last update: 11 Oct 2019, 13 Questions and Answers

Most Frequently Asked Zend 2 Framework Interview Questions And Answers With Examples:

It’s an open source and object-oriented framework for web applications implemented in PHP7. It has a collection of professional PHP packages with an astounding number of installations (more than 379 million installations). Zend framework 2 can be used to develop web services and applications using PHP version 5.6 or more.

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  • Speed up process due to utilizing an available framework.
  • Has great multi-functionality quality and object focus quality.
  • Simple to integrate and freedom to develop functionality.
  • Excellent MVC components.
  • Rapid application and tolling development feature.
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In Zend Framework 2, the module is a system used to organize the main application specific code within each module. The skeleton provided application module is used by developers to offer bootstrapping, routing and error configuration to the whole application.

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In Zend Framework 2, the ServiceManager is injected within any controller by default as it extends the AbstractController implementing the ServiceLocatorAwareInterface interface.

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In the Zend framework, routing is an act to match a request to a given controller. It will examine the URI request and will attempt to match the URI path segment against provided constraints. It also can be utilized other portions of the request URI as well as the environment even.

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  • Open the module.config.php of the module and its path is module\{module}\config\module.config.php
  • Add/Update given code in the view_manager array
  • 'template_map' => array(
        'layout/layout' => __DIR__ . '/../view/layout/layout.phtml', //Setup the layout file here
        'error/404' => __DIR__ . '/../view/error/404.phtml', //Setup the error from here
    ),
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To create custom view helpers to Zend framework 2, follow these steps:

  • Create a helper under the src directory. In this case, we name it Testhelper.
  • Build Testhelper content to:

namespace Test\View\Helper;

use Zend\View\Helper\AbstractHelper;

class Testhelper extends AbstractHelper

{

public function __invoke($str, $find)

 {

if (! is_string($str)){

return 'must be string';

  }

if (strpos($str, $find) === false){

return 'not found';

  }

return 'found';

  }

}

  • Now register it in Module.php
  • Call it in the view

echo $this->test_helper("me","e");

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S.no Zend Framework Laravel
1. It’s architecture development principle is built on convention over configuration. Its architecture development principle is built on configuration over convention.
2. It supports database such as SQLite, MySQL, PostgreSQL, Redis, and MongoDB. It supports database such as MariaDB, IBM DB2, Oracle and Microsoft SQL Server 2012.
3. No iOS development support. Supports iOS development.
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Zend Framework 3 is the latest version to the series, It was released on 18 June 2016 and is optimized according to user suggestions and includes many feature additions and bug fixes compared to its previous version.

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S.no Zend 2 Zend 3
1. Doesn’t support backward compatibility. Supports backward compatibility.
2. Components are stored in a single GIT repository. Components are stored in multiple GIT repositories.
3. No availability of component installer. Introduction of the component installer.
4. Average ServiceManager and EventManager Performance. Improved ServiceManager and EventManager Performance.
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  • Zend framework 3 supports PHP 7 which was released with various improvements for developers.
  • The improved modular approach through separation of concerns and decoupling of packages.
  • Improved project documentation.
  • Introduction of Microframework.
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$ composer require zendframework/zend-mvc

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