// $dbata needs to be set and be an associative array with the members 'dsn', 'username', and 'password'.
-// Autoloading (composer is preferred, but for this example let's just do this)
-require_once('../oauth2-server-php/src/OAuth2/Autoloader.php');
-OAuth2\Autoloader::register();
-
// $dsn is the Data Source Name for your database, for exmaple "mysql:dbname=my_oauth2_db;host=localhost"
$oauth2_storage = new OAuth2\Storage\Pdo($dbdata);