PHP获取用户真实 IP , 淘宝IP接口获得ip地理位置

 1 <?php

 2 /**

 3  * 获取用户真实 IP

 4  */

 5 function getIP()

 6 {

 7     static $realip;

 8     if (isset($_SERVER)){

 9         if (isset($_SERVER["HTTP_X_FORWARDED_FOR"])){

10             $realip = $_SERVER["HTTP_X_FORWARDED_FOR"];

11         } else if (isset($_SERVER["HTTP_CLIENT_IP"])) {

12             $realip = $_SERVER["HTTP_CLIENT_IP"];

13         } else {

14             $realip = $_SERVER["REMOTE_ADDR"];

15         }

16     } else {

17         if (getenv("HTTP_X_FORWARDED_FOR")){

18             $realip = getenv("HTTP_X_FORWARDED_FOR");

19         } else if (getenv("HTTP_CLIENT_IP")) {

20             $realip = getenv("HTTP_CLIENT_IP");

21         } else {

22             $realip = getenv("REMOTE_ADDR");

23         }

24     }

25  

26  

27     return $realip;

28 }

 1 /**

 2  * 获取 IP  地理位置

 3  * 淘宝IP接口

 4  * @Return: array

 5  */

 6 function getCity($ip)

 7 {

 8 $url="http://ip.taobao.com/service/getIpInfo.php?ip=".$ip;

 9 $ip=json_decode(file_get_contents($url)); 

10 if((string)$ip->code=='1'){

11   return false;

12   }

13   $data = (array)$ip->data;

14 return $data; 

15 }