<?phpclass Client{  ////获得访客浏览器类型	function Get_Browser(){		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 $br;   		}   		else{   			return "unknow";   		}   }    ////获得访客浏览器语言	function Get_Lang(){		if(!empty($_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 $lang;   		}   		else{   			return "unknow";   		}  }     ////获取访客操作系统	function Get_Os(){   		if(!empty($_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 $OS;     		}   		else{   			return "unknow";   		}     }    ////获得访客真实ip	function Get_Ip_Addr(){   		if(!empty($_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("/^(10172/.16192/.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 self::get_onlineip();      		}   		else{      		return $tip;    		}  }    ////获得本地真实IP  function get_onlineip() {		$ip_json = @file_get_contents("http://ip.taobao.com/service/getIpInfo.php?ip=myip");		$ip_arr=json_decode(stripslashes($ip_json),1);		if($ip_arr['code']==0)		{			return $ip_arr['data']['ip'];		}		   }    ////根据ip获得访客所在地地名	function Get_Ip_From($ip=''){		if(empty($ip)){			$ip = self::Getip();    		}   		$ip_json=@file_get_contents("http://ip.taobao.com/service/getIpInfo.php?ip=".$ip);//根据taobao ip   		$ip_arr=json_decode(stripslashes($ip_json),1);   		if($ip_arr['code']==0)   		{   			return $ip_arr;   		}   		else   		{   			return false;   		}   			} }