Here in this article, we will be listing frequently asked Zend 2 Framework Interview Questions and Answers with the belief that they will be helpful for you to gain higher marks. Also, to let you know that this article has been written under the guidance of industry professionals and covered all the current competencies.
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.
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.
In Zend Framework 2, the ServiceManager is injected within any controller by default as it extends the AbstractController implementing the ServiceLocatorAwareInterface interface.
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.
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
),
To create custom view helpers to Zend framework 2, follow these steps:
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';
}
}
echo $this->test_helper("me","e");
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. |
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.
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. |
$ composer require zendframework/zend-mvc