[PHP]<?php

if($action=="loginout")
{
//SetCookie("ADMIN_USERID", "");
//SetCookie("ADMIN_USERNAME", "");
//SetCookie("ADMIN_TIMES", "");
//session_start();
//session_unset();
//session_destroy();
header("Location: admin_index.php");
}
elseif($jumpPage=="goIndex")
{
//SetCookie("ADMIN_USERID", "");
//SetCookie("ADMIN_USERNAME", "");
//SetCookie("ADMIN_TIMES", "");
header("Location: index.php");
}

?>
[/PHP]


不管运行哪条，都会出现以下错误！

Warning: Cannot modify header information - headers already sent by (output started at /usr/vhome/p/i/x/pixiandouban.net/www/main/admin_loginout.php:2) in /usr/vhome/p/i/x/pixiandouban.net/www/main/admin_loginout.php on line 12
:crying: