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Home Backend Development PHP Tutorial 为什么我设置ini_set("session.gc_maxlifetime",1);无效了?

为什么我设置ini_set("session.gc_maxlifetime",1);无效了?

Jun 20, 2016 pm 12:38 PM

<?	ini_set("session.gc_maxlifetime",1);	session_start();	$_SESSION["name"] = "darkblue";?>
Copy after login

我设置了ini_set("session.gc_maxlifetime",1); session 有效期是1分钟.
我一分钟后再访问同文件夹下的test.php 怎么还能获取到$_SESSION["name"] 的 值啊?应该是空值吧?
过了2小时还是可以获取到.
还需要设置什么吗?

<?	session_start();	echo $_SESSION["name"];?>
Copy after login

这是我test.php的代码


回复讨论(解决方案)

我也是新手
不介意的话给个小建议,要不试试...


    ini_set("session.gc_maxlifetime",1);

放到session_start(); 的后面

我也是新手
不介意的话给个小建议,要不试试...


    ini_set("session.gc_maxlifetime",1);

放到session_start(); 的后面


你之前做过吗


我也是新手
不介意的话给个小建议,要不试试...


    ini_set("session.gc_maxlifetime",1);

放到session_start(); 的后面


你之前做过吗
我之前试过
这样的确令时间有效

但在其他代码也修改过,不知道这是否是最直接的原因

sessions时间

修改了时间还不够的,php有gc机制,也就是垃圾回收机制,默认只有1/100或者1/1000的概率才会在session文件过期时间之后把文件删除,你可以修改session.gc_divisor = 1,session.gc_probability = 1,这样就是session文件过期之后,在session初始化动作的触发下,session文件有100%的概率被删除

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