PHP 获取客户端的相关信息

<?php
header('Content-Type: text/html; charset=utf-8');
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(){
        $ip=false;
        if(!empty($_SERVER["HTTP_CLIENT_IP"])){
            $ip = $_SERVER["HTTP_CLIENT_IP"];
        }
        if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
            $ips = explode (", ", $_SERVER['HTTP_X_FORWARDED_FOR']);
            if ($ip) { array_unshift($ips, $ip); $ip = FALSE; }
            for ($i = 0; $i < count($ips); $i++) {
                if (!eregi ("^(10│172.16│192.168).", $ips[$i])) {
                    $ip = $ips[$i];
                    break;
                }
            }
        }
        return ($ip ? $ip : $_SERVER['REMOTE_ADDR']);
    }

    //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);
        if($ipadd){
            $charset = iconv("gbk","utf-8",$ipadd);
            preg_match_all("/[\x{4e00}-\x{9fa5}]+/u",$charset,$ipadds);
			$address = '';
			foreach($ipadds[0] as $value){
				$address.=$value;
			}
            return $address;   //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：".$gifo->Getaddress(); 
echo "<br/>浏览器类型：".$gifo->GetBrowser();
echo "<br/>浏览器语言：".$gifo->GetLang();
echo "<br/>操作系统：".$gifo->GetOs();

 

效果图：