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sessionid 是什么时候发作的

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Release： 2016-06-13 11:17:46
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sessionid 是什么时候产生的?
一个人打开这个页面的时候就产生了? 

还是要等你的后台逻辑里有 session_start 或者 操作_SESSION[XXX]后才产生的?


------解决方案--------------------
session_start 函数被执行时
在 session_start() 之前，你可以用 session_id($sid) 指定你需要的 sessionid
Related labels：
nbsp session start
source：php.cn
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