chrome 下 php setcookie domain设置为localhost 或 127.0.0.1 取不到值

在本地测试setcookie  php $cookiename = 'a'; $cookievalue = 'aa'; setcookie($cookiename,$cookievalue,time()+60*24,'/','127.0.0.1'); echo $_COOKIE['a']; 在php官网上有这样的描述： something that wasn't made clear to me

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