Zend Framework Interview Questions and Answers

1.What is a Framework?

In software development, a framework is a defined support structure in which another software project can be organized and developed.

• An abstract design
•  Set of common functionality
•  Developed for a particular domain

 2.How to disable layout from controller?

$this->_helper->layout()->disableLayout();

Disable Zend Layout from controller for Ajax call only
if($this->getRequest()->isXmlHttpRequest()){

$this->_helper->layout()->disableLayout();

}

3.How to change the View render file from controller?
function listAction(){

//call another view file file

$this->render(“anotherViewFile”);

}

4.How to protect your site from sql injection in zend when using select query?
$select = $this->select()

from(array(‘u’ => ‘users’), array(‘id’, ‘username’))

where(‘name like ?’,”%php%”)

where(‘user_id=?’,’5′)

where(‘rating<=?’,10);

5.How to check post method in zend framework?
if($this->getRequest()->isPost()){

//Post

}else{

//Not post

}

6.How to get all POST data?
$this->getRequest()->getPost();

7.How to get all GET data?

$this->getRequest()->getParams();

8.How to redirect to another page from controller?
$this->_redirect(‘/users/login’);

9.How to get variable’s value from get?
$id= $this->getRequest()->getParam(‘id’);

10.Create Model file in zend framework?

class Application_Model_Users extends Zend_Db_Table_Abstract {

protected $_name = “users”;

protected $_primary = “id”;

}

11.How to create object of Model?
$userObj = new Application_Model_Users();

12.Which Class extend the Zend Controller?
Zend_Controller_Action

For Example:
class AjaxController extends Zend_Controller_Action {

}

13.Which Class extend the zend Model?

Zend_Db_Table_Abstract

For Example :
class Application_Model_Users extends Zend_Db_Table_Abstract { }

14.What is a framework?
In software development, a framework is a defined support structure in which another software project can be organized and developed.

15.Why should we use framework?
Framework is a structured system where we get following things

• Rapid application development(RAD).
• Source codes become more manageable.
• Easy to extend features.

16.Where we set configuration in zend framework?
We set the config in application.ini which is located in application/configs/application.ini.

17.What is Front Controller?
It used Front Controller pattern. zend also use singleton pattern.

•  routeStartup: This function is called before Zend_Controller_Front calls on the router to evaluate the request.
•  routeShutdown: This function is called after the router finishes routing the request.
•  dispatchLoopStartup: This is called before Zend_Controller_Front enters its dispatch loop.
• preDispatch: called before an action is dispatched by the dispatcher.
•  postDispatch: is called after an action is dispatched by the dispatcher.

18.What is full form of CLA in Zend Framework?
Contributor License Agreement

19.Should I sign an individual CLA or a corporate CLA?
If you are contributing code as an individual- and not as part of your job at a company- you should sign the individual CLA. If you are contributing code as part of your responsibilities as an employee at a company, you should submit a corporate CLA with the names of all co-workers that you foresee contributing to the project.

20.How to include js from controller and view in Zend?
From within a view file: $this->headScript()->appendFile(‘filename.js’); From within a controller: $this->view->headScript()->appendFile(‘filename.js’); And then somewhere in your layout you need to echo out your headScript object: $this->headScript();

>> Read more >>