config.php page code for google oAuth Login in PHP
<?php
//start session on web page
session_start();
//config.php
//Include Google Client Library for PHP autoload file
require_once 'vendor/autoload.php';
//Make object of Google API Client for call Google API
$google_client = new Google_Client();
//Set the OAuth 2.0 Client ID
$google_client->setClientId('Your Clint ID.apps.googleusercontent.com');
//Set the OAuth 2.0 Client Secret key
$google_client->setClientSecret('Your Client Secret Key');
//Set the OAuth 2.0 Redirect URI
$google_client->setRedirectUri('Your exact location where you want the code to be run');
// to get the email and profile
$google_client->addScope('email');
$google_client->addScope('profile');
?> Close your php here
