php获取客户机真实ip 

 1 <?php
 2 function getIPaddress()
 3 {
 4 
 5     $IPaddress='';
 6 
 7     if (isset($_SERVER)){
 8 
 9         if (isset($_SERVER["HTTP_X_FORWARDED_FOR"])){
10 
11             $IPaddress = $_SERVER["HTTP_X_FORWARDED_FOR"];
12 
13         } else if (isset($_SERVER["HTTP_CLIENT_IP"])) {
14 
15             $IPaddress = $_SERVER["HTTP_CLIENT_IP"];
16 
17         } else {
18 
19             $IPaddress = $_SERVER["REMOTE_ADDR"];
20 
21         }
22 
23     } else {
24 
25         if (getenv("HTTP_X_FORWARDED_FOR")){
26 
27             $IPaddress = getenv("HTTP_X_FORWARDED_FOR");
28 
29         } else if (getenv("HTTP_CLIENT_IP")) {
30 
31             $IPaddress = getenv("HTTP_CLIENT_IP");
32 
33         } else {
34 
35             $IPaddress = getenv("REMOTE_ADDR");
36 
37         }
38 
39     }
40 
41     return $IPaddress;
42 
43 }
44 $IPaddress=getIPaddress();
45 
46 echo $IPaddress;

 

posted @ 2015-09-07 17:06  齐小智  阅读(128)  评论(0)    收藏  举报