World-class tutorials

What are the best tutorials or tools available out there for using Codeigniter? Also would you recommend doing a lot of theoretical reading, or watching youtube videos and just practicing?

Build Your First Application
https://codeigniter4.github.io/CodeIgnit...index.html

ci-phpunit-test | CodeIgniter Testing Guide | CodeIgniter 3 to 4 Upgrade Helper

Go through the CodeIniter User Guide Examples and also read it.

IncludeBeer -> Tutorials for CodeIgniter 4

Roy Tutorials -> Tutorials for CodeIgniter 4

What did you Try? What did you Get? What did you Expect?

Joined CodeIgniter Community 2009.  ( Skype: insitfx )