The CodeIgniter 4 framework repository holds the released versions of the framework. It is intended for developers who do not wish to use Composer.
Develop your app inside the
app folder, and the
will be your public-facing document root. Do not change anything inside the
This is the installation technique closest to that described for CodeIgniter 3.
Download the latest version, and extract it to become your project root.
Download a new copy of the framework, and then follow the upgrade instructions in the release notice or changelog to merge that with your project.
Typically, you replace the
system folder, and check designated
app/Config folders for affected changes.
Download and run
You are responsible for merge conflicts when updating
Folders in your project after set up: app, public, system, writable
If you want to take advantage of the system message translations, they can be added to your project in a similar fashion.
Download the latest version of them.
Extract the downloaded zip, and copy the
Language folder contents in it
This would need to be repeated to incorporate any updates to the translations.