kohana/cache — pull request #33 by shanliu (2012-12-04 03:16:05+00:00)
Title: mencache use is wrong!

http://php.net/manual/zh/memcache.set.php Expiration time of the item. If it's equal to zero, the item will never expire. You can also use Unix timestamp or a number of seconds starting from current time, but in the latter case the number of seconds may not exceed 2592000 (30 days).