The processing flow of requests and responses in the Yii framework

Yii framework is a popular PHP framework used for developing high-performance web applications. In the Yii framework, the request and response processing flow is very important. It is responsible for processing user requests and generating corresponding responses. In this article, we will explain in detail the request and response processing flow in the Yii framework and provide corresponding source code examples.

1. Request processing flow:

When a user initiates an HTTP request, the Yii framework will determine the controller and action method to be executed based on the requested URL and routing rules. The following is the process of request processing in the Yii framework:

1.1 Route analysis:

The Yii framework uses routing to parse requests and map them to corresponding controllers and action methods. Routes can be defined through configuration files or code. Here is an example of a simple route definition:

'components' => [
    'urlManager' => [
        'enablePrettyUrl' => true,