google content api for shopping

PHP Snippet 1:

// include your composer dependencies
require_once 'vendor/autoload.php';

putenv('GOOGLE_APPLICATION_CREDENTIALS=Merchant-Center-XXXXXx.json');

$client = new Google_Client();
$client->useApplicationDefaultCredentials();

$client->addScope('https://www.googleapis.com/auth/content');

$service = new Google_Service_ShoppingContent($client);