CodeIgniter, preparing for potential interview questions is essential for success. To help you ace your interview, get the top 25 CodeIgniter interview questions and answers.
Q1. What is CodeIgniter?
Ans: CodeIgniter is an open-source PHP framework designed for building dynamic web applications rapidly. It follows the MVC (Model-View-Controller) architectural pattern, offering developers a structured approach to developing web applications.
Q2. What are the key features of CodeIgniter?
Ans: CodeIgniter features like a small footprint, straightforward installation, MVC architecture, excellent documentation, built-in security tools, and a rich set of libraries and helpers for common tasks.
Q3. How does CodeIgniter compare to other PHP frameworks?
Ans: CodeIgniter distinguishes itself with its simplicity, ease of learning, and minimal configuration requirements compared to other PHP frameworks like Laravel or Symfony.
Q4. Explain the MVC architecture in CodeIgniter.
Ans: In CodeIgniter, the MVC architecture separates the application’s data, presentation, and logic into three components: Models (data handling), Views (presentation layer), and Controllers (application logic). This separation enhances code organization, scalability, and maintainability.
Q5. What is the routing in CodeIgniter?
Ans: Routing in CodeIgniter refers to the process of determining how requests should be mapped to the corresponding controller and method. It helps define clean and SEO-friendly URLs for better user experience and search engine optimization.
Q6. How do you load a model in CodeIgniter?
Ans: You can load a model in CodeIgniter using the $this->load->model(‘Model_name’) syntax within a controller. Once loaded, you can access the model’s methods to interact with the database or perform other data-related tasks.
Q7. What are CodeIgniter helpers?
Ans: CodeIgniter helpers are utility functions that assist developers in common tasks like form validation, file handling, URL manipulation, and more. They provide a convenient way to streamline development and enhance productivity.
Conclusion
Get the top 25 CodeIgniter interview questions and their answers, you’ll be well-equipped to tackle any interview with confidence. Read more: Online Interview Questions
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