Fatal error: Uncaught Error: Class 'Google_Client' not found in C:\xampp\htdocs\ ready_live\application\API\quickstart.php:14 code example

Example: Class 'Google_Client' not found in

check the file composer.json
and add "vendor/google/apiclient/src/Google" in classmap array if not exist.

and run composer dump-autoload

"autoload": {
        "classmap": [
            "vendor/google/apiclient/src/Google"
        ]
}