Available since 1.0.0. 使用開始版本号1.01 Time complexity: O(1) 时间复杂度O(1) 出处:http://blog.csdn.net/column/details/redisbanli.html Set a timeout on key. After the timeout has expired, the key will automatically be deleted. A key with an associated timeout
xampp无法设置默认时间,修改了时间还是无效 [Date] ; Defines the default timezone used by the date functions ; http://php.net/date.timezone date.timezone =Asia/Hong_Kong 重启阿帕奇无效 晚上一直折腾,除非自己设置时区,要不一直都是不能起效果 后面,把php.ini修改后复制一份到xampp下面的cgi-bin目录,重启阿帕奇,终于生效了.