Home php教程 php手册 PHP设置COOKIE保留时间为浏览器进程

PHP设置COOKIE保留时间为浏览器进程

Jun 13, 2016 am 10:34 AM
cookie php for reserve content time Browser use set up process

例如:

以下为引用的内容:
$USERID="PHPer";
$CookieTime=0;
setcookie("USERID", "$USERID", time()+$CookieTime,"/","pcpchina.com");
?>

你会发现这个语句执行过后,Cookie里什么也没有,到下一个页面就显示没有$USERID这个COOKIE变量值。
问题分析如下:

首先,设置浏览器进程的“Cookie 过期的时间”这个值并不是当前Unix时间戳+0,如果设置为浏览器进程的话,直接将过期时间设置为0即可。
其次,不清楚你测试这个页面时候使用的域名是什么,如果你设置了“pcpchina.com”的话,就说明你必须使用“pcpchina.com”进行访问cookie才会有效,其实如果 你的域名很多访问这个页面的话,那么这个地方可以为空或者访问这个cookie的域名都是一个域下面的,那么就设置为“.pcpchina.com”,记得前面有“点”

上面的程序如果你这样写的话,可能会有效:

以下为引用的内容:
$USERID="PHPer";
$CookieTime=0;
setcookie("USERID","$USERID",0,"/","");
echo(isset($_COOKIE[USERID])?$_COOKIE[USERID]:);
?>

第一次打开这个页面时候是不会有任何输出的,因为cookie并不会在当前页面即刻生效。
刷新以后会显示的。

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