php设置session生存时间详解
要设置php生存有效时间我们可以利用session_set_cookie_params函数或修改php.ini文件哦,下面小编来介绍一下。
第一种方法:session_set_cookie_params
函数原型 void session_set_cookie_params ( int $lifetime [, string $path [, string $domain [, bool $secure = false [, bool $httponly = false ]]]] )
代码如下 | 复制代码 |
$lifetime = 3600; //一个小时 session_set_cookie_params($lifetime); session_start(); |
手动设置 Session 的生存期:
代码如下 | 复制代码 |
|
第二种方法:
如果你拥有服务器的操作权限,那么设置这个非常非常的简单,只是需要进行如下的步骤:
1、把“session.use_cookies”设置为1,打开Cookie储存SessionID,不过默认就是1,一般不用修改;
2、把“session.cookie_lifetime”改为正无穷(当然没有正无穷的参数,不过999999999和正无穷也没有什么区别);
3、把“session.gc_maxlifetime”设置为和“session.cookie_lifetime”一样的时间;
4、修改php.ini文件 session.gc.lifetime=10000

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