/** * Call the query method on the authenticated client. * * @param DateTime $startDate * @param DateTime $endDate * @param string $metrics * @param array $others * * @return mixed */ public function performQuery(DateTime $startDate, DateTime $endDate, $metrics, $others = array()) { return $this->client->performQuery($this->siteId, $startDate->format('Y-m-d'), $endDate->format('Y-m-d'), $metrics, $others); }