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I understand you cant read another sites cookies from a user, ie you cant read a users facebook cookie when they visit your site, but are you able to see if a facebook cookie is set / is present

ie. something like 

if (//facebook cookie is set){
    echo "We see you use Facebook, would you like to login with it ?";
};`
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1 回答 1

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绝对不。浏览器不应该泄露任何关于他们在其他网站上所做的事情的信息。

于 2013-07-19T11:36:36.737 回答