• A Fully Baked PHP Framework

    CodeIgniter is a proven, agile & open PHP web application framework with a small footprint. It is powering the next generation of web apps.

Download CodeIgniter

The latest is Version 2.1.4

Skim This Manual

Clear & concise documentation

Forking Fun

Level up. Fork CI on GitHub

See the Community

Take a peek inside the forums

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What is CodeIgniter?

CodeIgniter is a powerful PHP framework with a very small footprint, built for PHP coders who need a simple and elegant toolkit to create full-featured web applications. If you're a developer who lives in the real world of shared hosting accounts and clients with deadlines, and if you're tired of ponderously large and thoroughly undocumented frameworks, then CodeIgniter might be a good fit.

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CodeIgniter Is Right for You if…

  • You want a framework with a small footprint.
  • You need exceptional performance.
  • You need clear, thorough documentation.
  • You are not interested in large-scale monolithic libraries.
  • You need broad compatibility with standard hosting.
  • You prefer nearly zero configuration.
  • You don't want to adhere to restrictive coding rules.
  • You don't want to learn another template language.
  • You prefer simple solutions to complexity.
  • You want to spend more time away from the computer.