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setcookie的有关问题

WBOY
Release： 2016-06-13 11:19:14
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setcookie的问题
setcookie('uid', $id);

1.如果第三参数不传，是不是就是退出浏览器cookie就失效？

2.我用jquery的$ajax调用php，php里执行了setcookie('uid', $id, $cookietime, '/', '.xxx.net', 0);
在$ajax success里reload了页面，为什么取不到cookie？
而且在%temp%\..\Temporary Internet Files目录下也看不到对应网站的cookie文件。


------解决方案--------------------
setcookie('uid',null)
------解决方案--------------------
统一一下，不用这个setcookie('uid');
setcookie("uid", "", time() - 3600);比较标准
------解决方案--------------------
因为你没有设置作用域
Related labels：
ajax cookie nbsp setcookie uid
source：php.cn
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