google composer sdk Google_Service_Oauth2

Google_Service_Oauth2 is a PHP library that provides access to the OAuth2 APIs of Google services such as Google Drive, Google Calendar, and Google Sheets. It allows you to manage user authentication and authorization for your application, so that users can grant your application permission to access their data.

Some examples of the functionalities that you can perform with Google_Service_Oauth2 include:

- Retrieve user profile information
- Get access and refresh tokens for a user's Google account
- Verify access tokens
- Revoke access tokens

To use Google_Service_Oauth2 in your PHP application, you need to first authenticate your application with Google and obtain the necessary credentials. You can then use these credentials to create a new instance of the Google_Client class, which is the entry point to the API services. From there, you can create a new instance of the Google_Service_Oauth2 class to access the OAuth2 APIs.