Google Analytics API Dashboard OAuth 2.0

ini_set("display_errors", 1); error_reporting(E_ERROR | E_WARNING); require_once 'google-api-php-client/vendor/autoload.php'; session_start(); $client = new Google_Client(); $client->setAuthConfig('client_secrets.json'); $client->addScope(Google_Service_Analytics::ANALYTICS_READONLY); // If the user has already authorized this app then get an access token // else redirect to ask the user to authorize access to Google Analytics. if (isset($_SESSION) && $_SESSION) { // Set the access token on the client. $client->setAccessToken($_SESSION); // Create an authorized analytics service object. $analytics = new Google_Service_AnalyticsReporting($client); // Call the Analytics Reporting API V4. $response = getReport($analytics); // Print the response. printResults($response); } else { $redirect_uri = 'http://' . $_SERVER . '/oauth2callback.php'; header('Location: ' . filter_var($redirect_uri, FILTER_SANITIZE_URL)); } function getReport($analytics) { // Replace with your view ID. E.g., XXXX. $VIEW_ID = "UA-66627096-2"; // Create the DateRange object. $dateRange = new Google_Service_AnalyticsReporting_DateRange(); $dateRange->setStartDate("7daysAgo"); $dateRange->setEndDate("today"); // Create the Metrics object. $sessions = new Google_Service_AnalyticsReporting_Metric(); $sessions->setExpression("ga:sessions"); $sessions->setAlias("sessions"); // Create the ReportRequest object. $request = new Google_Service_AnalyticsReporting_ReportRequest(); $request->setViewId($VIEW_ID); $request->setDateRanges($dateRange); $request->setMetrics(array($sessions)); $body = new Google_Service_AnalyticsReporting_GetReportsRequest(); $body->setReportRequests(array($request)); return $analytics->reports->batchGet($body); } function printResults($reports) { for ($reportIndex = 0; $reportIndex < count($reports); $reportIndex++) { $report = $reports; $header = $report->getColumnHeader(); $dimensionHeaders = $header->getDimensions(); $metricHeaders = $header->getMetricHeader()->getMetricHeaderEntries(); $rows = $report->getData()->getRows(); for ($rowIndex = 0; $rowIndex < count($rows); $rowIndex++) { $row = $rows; $dimensions = $row->getDimensions(); $metrics = $row->getMetrics(); for ($i = 0; $i < count($dimensionHeaders) && $i < count($dimensions); $i++) { print($dimensionHeaders . ": " . $dimensions . "n"); } for ($j = 0; $j < count($metricHeaders) && $j < count($metrics); $j++) { $entry = $metricHeaders; $values = $metrics; print("Metric type: " . $entry->getType() . "n"); for ($valueIndex = 0; $valueIndex < count($values->getValues()); $valueIndex++) { $value = $values->getValues(); print($entry->getName() . ": " . $value . "n"); } } } } } A oauth2callback