<?php   // 作用取得客户端的ip、地理信息、浏览器http://blog.qita.in   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();            ?>