Setup RESTful API in Yii2 Advanced Application

While researching for RESTful API implementation in Yii2, I've came across this: Setup RESTful API in Yii2.

It is based on a very old Yii2 beta advanced application, but the knowledge and the techniques are perfectly up to date.
You'll need to understand Routing.

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Installing Yii2 via Composer

Installing Yii2 via Composer is not hard. Currently, the stable version available is 2.0.6.
Here's how to really do it, the easy way:

sudo apt-get install composer

composer global require "fxp/composer-asset-plugin:~1.1.1"

For installing the basic version of the framework:

composer create-project yiisoft/yii2-app-advanced mywebsite 2.0.6

For installing the advanced version of the framework:

composer create-project yiisoft/yii2-app-advanced mywebsite 2.0.6

You will require a GitHub token, which requires an account, but it's an easy an straightforward step.

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