app VS package-template

The application is configured section of the params configuration file:

In params.php file you can define the locale identifier:

This ApplicationParameters.php allows you to globally configure some important parameters of your application, such as name and charset, you could also add any parameter you need.

Step 4: We modified our param.php config file.

Step 1: We install the application template to use in this case app .

Add support `SubFolder::class` middleware. by terabytesoftw · Pull Request #269 · yiisoft/app (github.com)

Let’s review this example, to use bootstrap5 in our app template.

**Yii Application Template:** [Template Yii3](https://github.com/yiisoft/app)

App template for Yii Framework v.3, provides a web and console environment, with minimal configuration, to create projects quickly.

Take a look at the configuration, and you'll see that changing it is as simple as changing a parameter in params.php, we've developed the right tools, that will do the job for you, that's simplicity.

Now if we want to create an extension, under the code standard used in the Yii Framework v.3 packages, we can use yiisoft/template, provides us the tools necessary for our code to comply with good coding standards they are: