请问获取cookie和session过期时间的方法是什么-PHP Tutorial-php.cn

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请问获取cookie和session过期时间的方法是什么

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Jun 23, 2016 pm 01:46 PM

请问获取cookie和session过期时间的方法是什么

回复讨论(解决方案)

cookie 的过期时间是你指定的
可用 js 计算出剩余时间，php 只能通过附加辅助 cookie 变量简洁获取

session 过期时间为 0，不需要考虑

有没有get之类的方法查看呢？session的过期时间不是0吧，php.ini里面有配置的

是呀，php.ini里有配置
; Lifetime in seconds of cookie or, if 0, until browser is restarted.
; http://php.net/session.cookie-lifetime
session.cookie_lifetime = 0

session.cookie_lifetime = 0的意思是说浏览器关闭session就失效啊

对呀，session 本来就是关闭浏览器就失效呀

但是session本身也是可以设置过期时间的啊，session.gc_maxlifetime = 1440在浏览器不关闭的情况下，连续1440s没操作页面的session也会失效

越讲越远了

session.gc_maxlifetime 表示的是 session 临时文件最小存留时间，而不是过期时间
session.gc_maxlifetime = 1440
是指在最后一次访问的 1440 秒以后，这个 session 临时文件可以删除了（但不一定被删）
如果在一个页面上停留 24 分钟不做任何操作，那么注销他的登录也是不为过的

学习了

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