array( 'id' => 1, 'owner_type' => 'user', 'owner_id' => 123 )); private $sessionScopes = array( 1 => array( 'foo', 'bar' ) ); public function validateAccessToken($accessToken) { return (isset($this->accessTokens[$accessToken])) ? $this->accessTokens[$accessToken] : false; } public function sessionScopes($sessionId) { return (isset($this->sessionScopes[$sessionId])) ? $this->sessionScopes[$sessionId] : array(); } }