PHP class library to obtain client IP, geographical information, browser, and real IP

This article mainly introduces the PHP class library for obtaining client IP, geographical information, browser, and real IP. It has certain reference value. Now I share it with everyone. Friends in need can refer to it

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[&#39;HTTP_USER_AGENT&#39;])){
       $br = $_SERVER[&#39;HTTP_USER_AGENT&#39;];
       if (preg_match(&#39;/MSIE/i&#39;,$br)) {    
                  $br = &#39;MSIE&#39;;
                }elseif (preg_match(&#39;/Firefox/i&#39;,$br)) {
        $br = &#39;Firefox&#39;;
       }elseif (preg_match(&#39;/Chrome/i&#39;,$br)) {
        $br = &#39;Chrome&#39;;
          }elseif (preg_match(&#39;/Safari/i&#39;,$br)) {
        $br = &#39;Safari&#39;;
       }elseif (preg_match(&#39;/Opera/i&#39;,$br)) {
           $br = &#39;Opera&#39;;
       }else {
           $br = &#39;Other&#39;;
       }
       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[&#39;HTTP_ACCEPT_LANGUAGE&#39;])){
       $lang = $_SERVER[&#39;HTTP_ACCEPT_LANGUAGE&#39;];
       $lang = substr($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[&#39;HTTP_USER_AGENT&#39;])){
       $OS = $_SERVER[&#39;HTTP_USER_AGENT&#39;];
         if (preg_match(&#39;/win/i&#39;,$OS)) {
        $OS = &#39;Windows&#39;;
       }elseif (preg_match(&#39;/mac/i&#39;,$OS)) {
        $OS = &#39;MAC&#39;;
       }elseif (preg_match(&#39;/linux/i&#39;,$OS)) {
        $OS = &#39;Linux&#39;;
       }elseif (preg_match(&#39;/unix/i&#39;,$OS)) {
        $OS = &#39;Unix&#39;;
       }elseif (preg_match(&#39;/bsd/i&#39;,$OS)) {
        $OS = &#39;BSD&#39;;
       }else {
        $OS = &#39;Other&#39;;
       }
             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[&#39;HTTP_X_FORWARDED_FOR&#39;])){ //获取代理ip
       $ips = explode(&#39;,&#39;,$_SERVER[&#39;HTTP_X_FORWARDED_FOR&#39;]);
      }
      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[&#39;REMOTE_ADDR&#39;]) ? $ip : $_SERVER[&#39;REMOTE_ADDR&#39;]; 
      if($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($ip=&#39;&#39;){
      if(empty($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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