php 獲取客戶端的ip、地理信息、瀏覽器信息、本地真實ip

<?php
 // 作用取得客戶端的ip、地理信息、瀏覽器http://blog.qita.in
 class get_gust_info {

////獲得訪客瀏覽器類型
  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 $br;
   }else{return "獲取瀏覽器信息失敗！";}
  }
////獲得訪客瀏覽器語言
  function GetLang(){
   if(!empty($_SERVER['HTTP_ACCEPT_LANGUAGE'])){
    $lang = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
    $lang = substr($lang,0,5);
    if(preg_match("/zh-cn/i",$lang)){
     $lang = "簡體中文";
    }elseif(preg_match("/zh/i",$lang)){
     $lang = "繁體中文";
    }else{
        $lang = "English";
    }
    return $lang;
}else{return "獲取瀏覽器語言失敗！";}
  }
////獲取訪客操作系統
  function GetOs(){
   if(!empty($_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 "獲取訪客操作系統信息失敗！";}

  }
////獲得訪客真實ip
  function Getip(){
   if(!empty($_SERVER["HTTP_CLIENT_IP"])){

      $ip = $_SERVER["HTTP_CLIENT_IP"];
   }
   if(!empty($_SERVER['HTTP_X_FORWARDED_FOR'])){ //獲取代理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])){//排除局域網ip
      $ip = $ips[$i];
      break;

      } 
   } 
   $tip = empty($_SERVER['REMOTE_ADDR']) ? $ip : $_SERVER['REMOTE_ADDR'];
   if($tip=="127.0.0.1"){ //獲得本地真實IP
      return $this->get_onlineip();

   }else{
      return $tip;
   }
  }
////獲得本地真實IP
  function get_onlineip() {
      $mip = file_get_contents("http://city.ip138.com/city0.asp&quot;);
       if($mip){
           preg_match("/[.*]/",$mip,$sip);
           $p = array("/[/","/]/");
           return preg_replace($p,"",$sip[0]);
       }else{return "獲取本地IP失敗！";}
   }
////根據ip獲得訪客所在地地名
  function Getaddress($ip=''){
   if(empty($ip)){
       $ip = $this->Getip();

   }
   $ipadd = file_get_contents("http://int.dpool.sina.com.cn/iplookup/iplookup.php?ip=".$ip);//根據新浪api接口獲取
   if($ipadd){
    $charset = iconv("gbk","utf-8",$ipadd);

    preg_match_all("/[\x{4e00}-\x{9fa5}]+/u",$charset,$ipadds);

return $ipadds;   //返回一個二維數組

}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/>瀏覽器類型：".$gifo->GetBrowser();
 echo "<br/>瀏覽器語言：".$gifo->GetLang();
 echo "<br/>操作系統：".$gifo->GetOs();
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