private function fetch_log_dates()
{
$db_dates = DB::get_results('SELECT MONTH(FROM_UNIXTIME(timestamp)) AS month, YEAR(FROM_UNIXTIME(timestamp)) AS year FROM {log} ORDER BY timestamp DESC');
$dates = array('any' => _t('Any'));
foreach ($db_dates as $db_date) {
$date = sprintf('%04d-%02d', $db_date->year, $db_date->month);
$dates[$date] = $date;
}
return $dates;
}