关于session小疑点
关于session小问题
session的话，只要我一直请求服务器，session会消失 吗
------解决方案--------------------
同一个浏览器进程一直请求服务器，session 不会消失
注意是：
同一个浏览器进程 换个就消失了
一直 或是说不断，当间隔时间超过 php.ini 中的设置时，就有可能消失了
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