PHP获取客户端的IP、地理信息、浏览器、本地真实IP

<?php

header("Content-type:text/html;charset=utf-8");

// 作用获取客户端的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)) {
                $br = 'Opera';
            }elseif (preg_match('/QQBrowser/i',$br)) {
                $br = 'QQBrowser';
            }elseif (preg_match('/UCBrowser/i',$br)) {
                $br = 'UCBrowser';
            }else {
                $br = 'Other';
            }
            return $br;
        }else {
            return false;
        }
    }

    //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 false;
        }
    }

    //获取访客操作系统
    function GetOs(){
        if(!empty($_SERVER['HTTP_USER_AGENT'])) {
            $OS = $_SERVER['HTTP_USER_AGENT'];
            if (strpos($OS, 'Android') !== false) {//strpos()定位出第一次出现字符串的位置，这里定位为0
                preg_match("/(?<=Android )[\d\.]{1,}/", $OS, $version);
                $OS ='Android '.$version[0];
            }elseif (strpos($OS, 'iPhone') !== false) {
                preg_match("/(?<=CPU iPhone OS )[\d\_]{1,}/", $OS, $version);
                $OS = 'iPhone iOS '.str_replace('_', '.', $version[0]);
            }elseif (strpos($OS, 'iPad') !== false) {
                preg_match("/(?<=CPU OS )[\d\_]{1,}/", $OS, $version);
                $OS = 'iPad iOS '.str_replace('_', '.', $version[0]);
            }elseif (preg_match('/win/i',$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 false;
        }
    }

    //获得访客真实ip
    function Getip() {
        $ip = false;
        if (getenv("HTTP_CLIENT_IP")) {
            $ip = getenv("HTTP_CLIENT_IP");
        }elseif (getenv("HTTP_X_FORWARDED_FOR")) {
            $ip = getenv("HTTP_X_FORWARDED_FOR");
        }elseif (getenv("REMOTE_ADDR")) {
            $ip = getenv("REMOTE_ADDR");
        }
        return $ip;
    }

    //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 "address is none";
        }
    }

}

$gifo = new get_gust_info();

echo "浏览器类型：".$gifo->GetBrowser().'<br>';
echo "浏览器语言：".$gifo->GetLang().'<br>';
echo "操作系统：".$gifo->GetOs().'<br>';
echo "你的ip：".$gifo->getIP().'<br>';
echo "所在地：";
$address = $gifo->Getaddress($gifo->getIP());
foreach ($address[0] as $key) {
    echo $key.' ';
}

?>