PHP获取用户真实 IP , 淘宝IP接口获得ip地理位置代码实例

<?php  /**  ?*?获取用户真实?IP  ?*/  function?getIP()  {  ????static?$realip;  ????if?(isset($_SERVER)){  ????????if?(isset($_SERVER["HTTP_X_FORWARDED_FOR"])){  ????????????$realip?=?$_SERVER["HTTP_X_FORWARDED_FOR"];  ????????}?else?if?(isset($_SERVER["HTTP_CLIENT_IP"]))?{  ????????????$realip?=?$_SERVER["HTTP_CLIENT_IP"];  ????????}?else?{  ????????????$realip?=?$_SERVER["REMOTE_ADDR"];  ????????}  ????}?else?{  ????????if?(getenv("HTTP_X_FORWARDED_FOR")){  ????????????$realip?=?getenv("HTTP_X_FORWARDED_FOR");  ????????}?else?if?(getenv("HTTP_CLIENT_IP"))?{  ????????????$realip?=?getenv("HTTP_CLIENT_IP");  ????????}?else?{  ????????????$realip?=?getenv("REMOTE_ADDR");  ????????}  ????}  ??  ??  ????return?$realip;  }  ??  ??  /**  ?*?获取?IP??地理位置  ?*?淘宝IP接口  ?*[email protected]:?array  ?*/  function?getCity($ip)  {  $url="http://ip.taobao.com/service/getIpInfo.php?ip=".$ip;  $ip=json_decode(file_get_contents($url));?  if((string)$ip->code=='1'){  ??return?false;  ??}  ??$data?=?(array)$ip->data;  return?$data;?  }

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