Phalcon Interview Questions

Phalcon Interview Questions

  • Dhirendra Nishad
  • 17th Jun, 2022

About Phalcon

A PHP framework based on Model View Controller pattern.It is developed by Andres Gutierrez and written in C, PHP programming.Phalcon is an open-source web framework and licensed under the BSD License.If you are looking for Phalcon resources to crack an interview on Phalcon then you can visit on following links.

Phalcon Interview Questions

1) Explain what is Phalcon?

Phalcon is a PHP web framework based on the model–view–controller pattern. Originally released in 2012, it is an open-source framework licensed under the terms of the BSD License.

2) What is lazy initialization in Phalcon?

In the Phalcon framework for PHP, lazy initialization is a technique for delaying the creation of an object until it is needed. This can help to improve the performance of an application by reducing the number of objects that need to be created and initialized at startup.

Here's an example of how to create a lazy service in Phalcon:

use Phalcon\Di\FactoryDefault;
use Phalcon\Di\ServiceProviderInterface;

class MyServiceProvider implements ServiceProviderInterface
    public function register(FactoryDefault $di)
        $di->setShared('myService', function() {
            // Create and return the service object
            return new MyService();

3) What is MVC in Phalcon?

MVC stands for Model-View-Controller. It is a software design pattern that separates an application into three main components: the model, the view, and the controller.

In the Phalcon framework for PHP, MVC is used to structure the codebase and make it easier to develop, maintain, and test web applications.

Here is a brief overview of the three components in MVC:

  • Model: The model component represents the data and business logic of an application. It is responsible for managing the application's data and logic, and for performing operations on that data.
  • View: The view component represents the user interface of an application. It is responsible for displaying the data to the user and for providing a way for the user to interact with the application.
  • Controller: The controller component sits between the model and the view, and is responsible for handling requests from the user and deciding how to respond to them. It receives input from the user, sends that input to the model for processing, and then displays the appropriate view to the user.

In Phalcon, the MVC pattern is implemented using a set of classes that represent the model, view, and controller components. These classes work together to handle requests from users, retrieve and manipulate data, and display the results to the user.

4) Explain PHQL In Phalcon?

5) What is ODM in Phalcon?

6) Enlist few features of Phalcon Framework?

7) Phalcon is written in which Language?

8) What is zephir in Phalcon?

9) Explain dependency injection in Phalcon?

10) Which template engine is used in Phalcon?

11) List some database related functions available in Phalcon?

12) How can you inject Services into a Volt Template?

13) How to increase CSRF timeout in Phalcon?

14) List Database engines supported by Phalcon?

15) How to pass data from the controller to view in Phalcon?

16) Explain Routing in Phalcon?

17) What are Single or Multi-Module Applications in Phalcon?

18) Enlist various types of application events available in Phalcon?

19) How many type of views are avilable in Phalcon?

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