CodeIgniter is an open-source web application framework written in PHP. It follows the Model-View-Controller (MVC) architectural pattern and provides a set of libraries and helpers that simplify the development of web applications. CodeIgniter is known for its lightweight footprint, high performance, and straightforward approach to building web applications.
Here’s a brief overview of CodeIgniter’s key features and components:
- MVC Architecture: CodeIgniter encourages developers to separate their application logic into three main components: Models (for data handling), Views (for user interfaces), and Controllers (for handling user requests and responses).
- Lightweight: CodeIgniter is designed to have a small footprint and requires minimal configuration. This makes it easy to set up and suitable for both small and large-scale projects.
- Libraries and Helpers: CodeIgniter comes with a set of built-in libraries and helpers that simplify common tasks such as form validation, database access, session handling, and more.
- Security: CodeIgniter emphasizes security features to help developers build secure applications. It provides tools for input validation, output escaping, and protection against common security threats.
- Database Support: CodeIgniter supports multiple database systems, including MySQL, PostgreSQL, SQLite, and more. It offers a convenient database abstraction layer for easy querying and data manipulation.
- Routing: The framework allows you to define custom URL routes, making your URLs more readable and SEO-friendly.
- Active Record: CodeIgniter provides an easy-to-use database querying mechanism called “Active Record,” which simplifies database operations.
- Form and Data Validation: It offers form validation features to ensure that user-submitted data meets specific rules before being processed.
- Session Management: CodeIgniter allows developers to manage user sessions effortlessly.
- Error Handling and Logging: The framework provides robust error handling and logging capabilities, making it easier to debug and monitor applications.
To get started with CodeIgniter, you need to download and set up the framework on your server. You can find the official documentation and downloads on the CodeIgniter website: https://codeigniter.com/