Creating console commands

Now that we know what built-in commands Yii2 provides, let's start adding our own commands. In Yii2, any custom commands we write are going to be stored in the /commands subfolder of our application. If this folder doesn't exist yet, go ahead and create it:

mkdir commands

Now, let's write a basic console command that just outputs some text:

1. First, we'll create a new file called BasicController.php in the commands folder:

   touch commands/BasicController.php
   

2. Now, let's write some PHP code. First, we need to declare the namespace that our BasicController lives in. This namespace directly corresponds to the controllerNamespace parameter we defined in config/console.php:

   <?php
   
   namespace app\commands;

3. Then, we'll want to declare that we want to use the \yii\console\Controller class in our new controller:

   use \yii\console\Controller;

4. Next, we'll declare our controller class as follows:

   class BasicController extends Controller { }

5. Finally,...