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  1. Welcome to CodeIgniter

    CodeIgniter is a powerful PHP framework with a very small footprint, built for developers who need a simple and elegant toolkit to create full-featured web applications.

  2. Welcome to CodeIgniter — CodeIgniter 3.1.13 documentation

    CodeIgniter is an Application Development Framework - a toolkit - for people who build web sites using PHP.

  3. CodeIgniter4 User Guide — CodeIgniter 4.6.3 documentation

    Aug 2, 2025 · Getting Started Installation Composer Installation Manual Installation Running Your App Troubleshooting Deployment Change Logs Upgrading From a Previous Version CodeIgniter …

  4. Build Your First Application — CodeIgniter 4.6.3 documentation

    Aug 2, 2025 · You can serve it through any server of your choice, Apache, nginx, etc, but CodeIgniter comes with a simple command that takes advantage of PHP’s built-in server to get you up and …

  5. CodeIgniter User Guide — CodeIgniter 3.1.13 documentation

    Introduction ¶ CodeIgniter Overview Getting Started CodeIgniter at a Glance Supported Features Application Flow Chart Model-View-Controller Architectural Goals

  6. Tutorial — CodeIgniter 3.1.13 documentation

    This tutorial is intended to introduce you to the CodeIgniter framework and the basic principles of MVC architecture. It will show you how a basic CodeIgniter application is constructed in step-by-step fashion.

  7. Installation — CodeIgniter 4.6.3 documentation

    Aug 2, 2025 · We recommend the Composer installation because it keeps CodeIgniter up to date easily. If you would like the simple “download & go” install that CodeIgniter 3 is known for, choose the …

  8. CodeIgniter at a Glance — CodeIgniter 3.1.13 documentation

    CodeIgniter comes with full-range of libraries that enable the most commonly needed web development tasks, like accessing a database, sending email, validating form data, maintaining sessions, …

  9. CodeIgniter Overview — CodeIgniter 3.1.13 documentation

    The following pages describe the broad concepts behind CodeIgniter: Getting Started CodeIgniter at a Glance Supported Features Application Flow Chart Model-View-Controller Architectural Goals Next …

  10. Welcome to CodeIgniter4 — CodeIgniter 4.6.3 documentation

    Aug 2, 2025 · CodeIgniter is a PHP full-stack web framework that is light, fast, flexible and secure. It is an Application Development Framework - a toolkit - for people who build web sites using PHP.