获取客户端ip、地理信息、浏览器、真实IP的php类库

1. <?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 $value){
        echo "\r\n    ".iconv("utf-8","gbk",$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();

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