There are the following Top 7 Phalcon Interview Questions and Answers below:
Q1. What is Phalcon?
Ans: Phalcon is a PHP web framework implemented as a C extension. It provides high performance and low resource consumption.
Q2. What are the key features of Phalcon?
Ans: Some key features include MVC architecture, ORM, caching, security features, and a powerful templating engine called Volt.
Q3. Explain MVC architecture in Phalcon.
Ans: MVC stands for Model-View-Controller. It separates the application logic into three components: models (data), views (presentation), and controllers (business logic). Phalcon encourages this architecture for better code organization and maintainability.
Q4. How does Phalcon achieve high performance?
Ans: Phalcon is implemented as a C extension, which reduces overhead and improves performance compared to traditional PHP frameworks. It directly accesses the PHP engine’s internals, bypassing the overhead of interpreting PHP code.
Q5. What is Volt in Phalcon?
Ans: Volt is Phalcon’s templating engine. It’s designed to be fast, easy to use, and secure. Volt syntax is similar to other templating engines but optimized for Phalcon’s architecture.
Q6. Explain Dependency Injection (DI) in Phalcon.
Ans: DI is a design pattern used in Phalcon to inject dependencies into objects. It allows for better decoupling and testability of components. Phalcon provides a built-in DI container for managing dependencies.
Q7. What are the benefits of using Phalcon’s ORM?
Ans: Phalcon’s ORM (Object-Relational Mapping) simplifies database interactions by abstracting SQL queries into PHP objects. It provides features like relationships, caching, and validation, making database operations more efficient and convenient.
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