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<? if(!empty($_SERVER['HTTP_X_FORWARDED_FOR'])){   //存在的話將HTTP_X_FORWARDED_FOR拆解取出第一個IP即可   $proxy_ip = split(',',$_SERVER['HTTP_X_FORWARDED_FOR']);   $ip = $proxy_ip[0]; }else {   //不存在則使用REMOTE_ADDR來得到訪客IP   $ip = $_SERVER['REMOTE_ADDR']; } ?>

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