public function actionMember()
{
$startDate = date('Y-m-d 00:00:00', strtotime('-1 month'));
$endDate = date('Y-m-d 23:59:59');
echo "daily:\n";
echo \app\models\MUser::getMemberTimeline($startDate, $endDate, 0) . PHP_EOL;
echo "accumulated:\n";
echo \app\models\MUser::getMemberTimeline($startDate, $endDate, 1) . PHP_EOL;
}