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CodeIgniter Introduction
What is CodeIgniter?
CodeIgniter is a powerful PHP framework built for developers who need a simple and elegant toolkit to create full-featured web applications. It is known for its small footprint, high performance, and exceptional speed.
Key Features of CodeIgniter
MVC (Model-View-Controller) Architecture - Helps organize code into models (data), views (UI), and controllers (logic).
Lightweight and Fast - CodeIgniter is extremely fast compared to other PHP frameworks.
No Need for Template Engine - You can use plain PHP in your views.
Security - Built-in protections against CSRF, XSS, and SQL injection.
Simple Configuration - All configurations are PHP-based — no YAML or XML required.
Rich Set of Libraries - Comes with many libraries for sessions, form validation, email, database, etc.
Why Use CodeIgniter?
- Beginner Friendly: Easy learning curve.
- Documentation: Excellent official documentation.
- No Composer Required: Can be used in shared hosting easily.
- Community Support: Active forums and contributors.
Step 1: Install CodeIgniter
If you have Composer installed, run this in your terminal:
composer create-project codeigniter4/appstarter my_project
appstarter: CodeIgniter 4 starter project.
my_project: Folder where your app will be created.
Once installed, navigate to the project:
cd my_project php spark serve
This command will start a local server at http://localhost:8080