public static function make(EGGame $game, $month = '')
{
if (!$month) {
$month = date('Y-m');
}
if (!preg_match('/\\d{4}\\-\\d{2}/', $month)) {
throw new \InvalidArgumentException("Month must be in the format 'Y-m' (e.g. 2013-12).");
}
$stats = new EGGameStats();
$stats->setGame($game);
$stats->setStatsMonth($month);
return $stats;
}
