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cookie为啥设置失败

WBOY
Release： 2016-06-13 12:44:58
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cookie为什么设置失败？
我有这样一段程序：
if(setcookie('me','mycookie'))
{
echo "cookie已设置";
}
echo "已登录";

运行结果是"已登录”是有的，但"cookie已设置“没有显示。这说明cookie设置失败了。

请问我这一段程序为什么会设置失败呢？有语法错误吗？失败的原因可能是什么？（我的浏览器支持cookie）

Related labels：
cookie echo nbsp setcookie
source：php.cn
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