获取ip地址

最新推荐文章于 2025-04-13 19:30:04 发布

weixin_34226182

最新推荐文章于 2025-04-13 19:30:04 发布

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CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/leee99/p/11062879.html

 1 /**
 2  * 获取IP
 3  */
 4 function getIP(){
 5     static $realip;
 6     if (isset($_SERVER)){
 7         if (isset($_SERVER["HTTP_X_FORWARDED_FOR"])){
 8             $realip = $_SERVER["HTTP_X_FORWARDED_FOR"];
 9         } else if (isset($_SERVER["HTTP_CLIENT_IP"])) {
10             $realip = $_SERVER["HTTP_CLIENT_IP"];
11         } else {
12             $realip = $_SERVER["REMOTE_ADDR"];
13         }
14     } else {
15         if (getenv("HTTP_X_FORWARDED_FOR")){
16             $realip = getenv("HTTP_X_FORWARDED_FOR");
17         } else if (getenv("HTTP_CLIENT_IP")) {
18             $realip = getenv("HTTP_CLIENT_IP");
19         } else {
20             $realip = getenv("REMOTE_ADDR");
21         }
22     }
23     if(strpos($realip, ',') !== false){
24         $ip = explode(',', $realip);
25         return $ip[0];
26     }else{
27         return $realip;
28     }
29 }