Fatal error: Uncaught exception 'Exception' with message 'Google PHP API Client requires the CURL PHP extension' in C:\xampp\htdocs\uteregistergoogle\logingoogle\src\Google_Client.php:21 Stack trace: #0 C:\xampp\htdocs\uteregistergoogle\logingoogle\config.php(2): include_once() #1 C:\xampp\htdocs\uteregistergoogle\index.php(3): include_once('C:\xampp\htdocs...') #2 {main} thrown in C:\xampp\htdocs\uteregistergoogle\logingoogle\src\Google_Client.php on line 21