php 获取客户端的ip、地理信息、浏览器信息、本地真实ip

<?php
 // 作用取得客户端的ip、地理信息、浏览器、本地真实IP
 class get_gust_info { 
  
  ////获得访客浏览器类型
  function GetBrowser(){
   if(!empty($_SERVER["HTTP_USER_AGENT"])){
    $br = $_SERVER["HTTP_USER_AGENT"];
    if (preg_match("/MSIE/i",$br)) {    
               $br = "MSIE";
             }elseif (preg_match("/Firefox/i",$br)) {
     $br = "Firefox";
    }elseif (preg_match("/Chrome/i",$br)) {
     $br = "Chrome";
       }elseif (preg_match("/Safari/i",$br)) {
     $br = "Safari";
    }elseif (preg_match("/Opera/i",$br)) {
        $br = "Opera";
    }else {
        $br = "Other";
    }
    return $br;
   }else{return "获取浏览器信息失败！";} 
  }
  
  ////获得访客浏览器语言
  function GetLang(){
   if(!empty($_SERVER["HTTP_ACCEPT_LANGUAGE"])){
    $lang = $_SERVER["HTTP_ACCEPT_LANGUAGE"];
    $lang = substr($lang,0,5);
    if(preg_match("/zh-cn/i",$lang)){
     $lang = "简体中文";
    }elseif(preg_match("/zh/i",$lang)){
     $lang = "繁体中文";
    }else{
        $lang = "English";
    }
    return $lang;
    
   }else{return "获取浏览器语言失败！";}
  }
  
   ////获取访客操作系统
  function GetOs(){
   if(!empty($_SERVER["HTTP_USER_AGENT"])){
    $OS = $_SERVER["HTTP_USER_AGENT"];
      if (preg_match("/win/i",$OS)) {
     $OS = "Windows";
    }elseif (preg_match("/mac/i",$OS)) {
     $OS = "MAC";
    }elseif (preg_match("/linux/i",$OS)) {
     $OS = "Linux";
    }elseif (preg_match("/unix/i",$OS)) {
     $OS = "Unix";
    }elseif (preg_match("/bsd/i",$OS)) {
     $OS = "BSD";
    }else {
     $OS = "Other";
    }
          return $OS;  
   }else{return "获取访客操作系统信息失败！";}   
  }
  
  ////获得访客真实ip
  function Getip(){
   if(!empty($_SERVER["HTTP_CLIENT_IP"])){   
      $ip = $_SERVER["HTTP_CLIENT_IP"];
   }
   if(!empty($_SERVER["HTTP_X_FORWARDED_FOR"])){ //获取代理ip
    $ips = explode(",",$_SERVER["HTTP_X_FORWARDED_FOR"]);
   }
   if($ip){
      $ips = array_unshift($ips,$ip); 
   }
   
   $count = count($ips);
   for($i=0;$i<$count;$i++){   
     if(!preg_match("/^(10|172.16|192.168)./i",$ips[$i])){//排除局域网ip
      $ip = $ips[$i];
      break;    
      }  
   }  
   $tip = empty($_SERVER["REMOTE_ADDR"]) ? $ip : $_SERVER["REMOTE_ADDR"]; 
   if($tip=="127.0.0.1"){ //获得本地真实IP
      return $this->get_onlineip();   
   }else{
      return $tip; 
   }
  }
  
  ////获得本地真实IP
  function get_onlineip() {
      $mip = file_get_contents("http://city.ip138.com/city0.asp");
       if($mip){
           preg_match("/[.*]/",$mip,$sip);
           $p = array("/[/","/]/");
           return preg_replace($p,"",$sip[0]);
       }else{return "获取本地IP失败！";}
   }
  
  ////根据ip获得访客所在地地名
  function Getaddress($ip=""){
   if(empty($ip)){
       $ip = $this->Getip();    
   }
   $ipadd = file_get_contents("http://int.dpool.sina.com.cn/iplookup/iplookup.php?ip=".$ip);//根据新浪api接口获取
   if($ipadd){
    $charset = iconv("gbk","utf-8",$ipadd);   
    preg_match_all("/[x{4e00}-x{9fa5}]+/u",$charset,$ipadds);
    
    return $ipadds;   //返回一个二维数组
   }else{return "addree is none";}  
  } 
 }
 $gifo = new get_gust_info();
 echo "你的ip:".$gifo->Getip();
 echo "<br/>所在地：";
 $ipadds = $gifo->Getaddress();
 foreach($ipadds[0] as $value){
     echo "
    ".iconv("utf-8","gbk",$value);    
 }
 
 echo "<br/>浏览器类型：".$gifo->GetBrowser();
 echo "<br/>浏览器语言：".$gifo->GetLang();
 echo "<br/>操作系统：".$gifo->GetOs();
  
 
 ?>