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The User Guide contains an introduction, tutorial, how-to guides, and reference documentation for all framework components.

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Discuss

CodeIgniter is community-driven. Join the forum or chat on Slack to exchange ideas and get help from other developers.

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Contribute

CodeIgniter accepts contributions of code and documentation from the community. Help make it even better!

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Contribute

CodeIgniter accepts contributions of code and documentation from the community. Help make it even better!

Get Involved