50      * @param int $month Month
53     private static function getMonthCacheKey($namespace, $year, $month) {  argument
55         return sprintf('events_%s_%04d_%02d', $ns, $year, $month);
73      * @param int $month Month
77     public static function getMonthEvents($namespace, $year, $month, $ttl = self::DEFAULT_TTL) {  argument
78         $key = self::getMonthCacheKey($namespace, $year, $month);
120      * @param int $month Month
124     public static function setMonthEvents($namespace, $year, $month, array $events) {  argument
125         $key = self::getMonthCacheKey($namespace, $year, $month);
152      * @param int $month Month
154     public static function invalidateMonth($namespace, $year, $month) {  argument
155         $key = self::getMonthCacheKey($namespace, $year, $month);