php 获取客户端的ip、地理信息、浏览器信息、本地真实ip

?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['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();

?>
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