If you're taking over an existing project you will likely need to know what exact version of CodeIgniter that you're using. This will help you determine which user guide to view, what features you can expect to have, and more. This article will take a look at a couple of different methods.

Do you have access to the command line?

If you can get to the command line for the project then the first thing you can try is to see what version of CodeIgniter 4 you might be running. At this point, version 4 has been out for…

This episode takes you on a grand tour of all of the things the Session Authentication gives you out of the box, from registration, login, email activation, email 2FA, and more.

This video takes a look at how you can do Session-based authentication and authorization on your controllers using Controller Filters and Route Filters.

Sometimes you just need to drop to a command line and explore your application interactively. A REPL will allow you to do just that by providing an interactive cli that knows about your application.

What is a REPL?

A REPL is basically a console for your application. It stands for Read - Eval - Print loop, meaning that it takes the commands you give it, evaluates the code, and outputs the result. This means that most anything that you can do in your application you can explore in the REPL.

What is it good for?

I find these…

In this episode, we determine which groups and permissions our Playground needs and configure the app to use them.

Here's a quick video where I wanted to highlight a few pages in the docs that will help you get up and running with Shield as fast as possible.

This session takes a look into the CodeIgniter Settings library that Shield uses. We look at what it is, how it works, and how to use it.

This third video in the Master CodeIgniter Shield in-progress course takes a look at the config file that defines groups and permissions.