php cookie setcookie 设置cookie

<?php
//设置cookie的 名 值 对 及时间
setcookie('userMail', $userMessage['email'], time()+60*60*24*30);





safe_post('saves')?$exp=$time+86400*30:$exp=$time+3600;
//设置名值对 时间及路径
setcookie ( 'company_adminid', $userid , $exp , "/" );
setcookie ( 'company_adminname', $username , $exp , "/" );
setcookie ( 'company_adminpass', $md5password , $exp , "/" );




//bool setcookie ( string $name [, string $value [,
//int $expire = 0 [, string $path [,
 //string $domain [, bool $secure = false [,
 // bool $httponly = false ]]]]]] )
 //这里还包含域名
 setcookie ("TestCookie", "", time() - 3600, "/~rasmus/", ".example.com", 1);
 

 
 setcookie ( 'flag', '1', $exp , "/", ".szr.com");    //如果  $exp 有個值,那他就不是会话 cookie.
 
 
 setcookie ( 'flag','0' ,0 , "/" ,".szr.com" );  //如果  $exp 为0 的话 ,就是个会话 cookie

?>