in cloudprober/grpc_gpc_prober/stackdriver_util.php [47:62]
function reportError($err){
error_log($err);
$projectId = '434076015357';
$project_name = $this->err_client->projectName($projectId);
$location = (new SourceLocation())
->setFunctionName($this->api);
$context = (new ErrorContext())
->setReportLocation($location);
$error_event = new ReportedErrorEvent();
$error_event->setMessage('PHPProbeFailure: fails on '.$this->api.' API. Details: '.(string)$err."\n");
$error_event->setContext($context);
$this->err_client->reportErrorEvent($project_name, $error_event);
}