Obtain visitor browser and operating system

Obtain visitor browser and operating system

$useragent=$useragent=$_SERVER['HTTP_USER_AGENT'];

/*Get the client browser version*/
function browser($ua) {
 if (stripos($ ua, "Googlebot")) {
 $browser = "Google Spider";
 }
 elseif(stripos($ua, "Baiduspider") !== false) {
 $browser = "Baiduspider";
 }
 elseif (stripos($ua, "Yahoo!") !== false) {
 $browser = "Yahoo Spider";
 }
 elseif(stripos($ua, "bingbot")) {
 $browser = "Bingbot" ";
 }
 elseif(stripos($ua, "YRSpider")) {
 $browser = "YRSpider";
 }
 elseif(stripos($ua, "Yeti") !== false) {
 $ browser = "Naver Spider";
 }
 elseif(stripos($ua, "Maxthon")) {
 if (stripos($ua, "AppleWebKit")) {
 $browser = "Maxthon Browser (Extreme Speed ​​Mode)" ;
 }
 elseif(stripos($ua, "Trident")) {
 $browser = "訨游 browser (compatibility mode)";
 }
 elseif(stripos($ua, "MAXTHON 2.0")) {
 $ browser = "欧游 browser 2.0";
 }
 }
 elseif(stripos($ua, "Firefox")) {
 $browser = "Firefox Browser";
 }
 elseif(stripos($ua, "Opera" ) == 0 && stripos($ua, "Presto")) {
 $browser = "Opera";
 }
 elseif(stripos($ua, "BIDUBrowser")) {
 if (stripos($ua, "Trident ")) {
 $browser = "Baidu Browser (Compatibility Mode)";
 }
 elseif(stripos($ua, "AppleWebKit")) {
 $browser = "Baidu Browser (Extreme Speed ​​Mode)";
 }
 }
 elseif(stripos($ua, "Ruibin")) {
 $browser = "Ruibin";
 }
 elseif(stripos($ua, "qihu theworld")) {
 if (stripos($ ua, "Trident")) {
 $browser = "World Window Browser";
 }
 elseif(stripos($ua, "AppleWebKit")) {
 $browser = "World Window Browser (Extreme Speed ​​Mode) ";
 }
 }
 elseif(stripos($ua, "MetaSr")) {
 if (stripos($ua, "Trident")) {
 $browser = "Sogou High-speed Browser (Compatibility Mode)";
 }
 elseif(stripos($ua, "AppleWebKit")) {
 $browser = "Sogou High-speed Browser (Extreme Speed ​​Mode)";
 }
 }
 elseif(stripos($ua, "LBBROWSER")) {
 if (stripos($ua, "Trident")) {
 $browser = "Cheetah Browser (compatibility mode)";
 }
 elseif(stripos($ua, "AppleWebKit")) {
 $browser = "Cheetah Browser (Extreme speed mode)";
 }
 }
 elseif(stripos($ua, "YLMFBR")) {
 $browser = "115 browser";
 }
 elseif(stripos($ua, "QQBrowser")) {
 if (stripos($ua, "Trident")) {
 $browser = "QQ Browser (compatibility mode)";
 }
 elseif(stripos($ua, "AppleWebKit")) {
 $browser = "QQ Browser (speed mode)";
 }
 }
 elseif(stripos($ua, "TencentTraveler")) {
 $browser = "Tencent TT Browser";
 }
 elseif(stripos($ua, "TaoBrowser" )) {
 if (stripos($ua, "Trident")) {
 $browser = "Taobao Browser (compatibility mode)";
 }
 elseif(stripos($ua, "AppleWebkit")) {
 $browser = "Taobao Browser (Extreme Speed ​​Mode)";
 }
 }
 elseif(stripos($ua, "CoolNovo")) {
 $browser = "Maple Browser";
 }
 elseif(stripos($ua, "SaaYaa")) {
 $browser = "Strip Browser";
 }
 elseif(stripos($ua, "360SE")) {
 $browser = "360 Safe Browser";
 }
 elseif(stripos ($ua, "360EE")) {
 if (stripos($ua, "Trident")) {
 $browser = "360 Extreme Browser (compatibility mode)";
 }
 elseif(stripos($ua, " AppleWebkit")) {
 $browser = "360 Extreme Browser (Extreme Speed ​​Mode)";
 }
 }
 elseif(stripos($ua, "Konqueror")) {
 $browser = "Konqueror";
 }
 elseif (stripos($ua, "Chrome")) {
 $browser = "Google Chrome";
 }
 elseif(stripos($ua, "Safari")) {
 $browser = "Safari";
 }
 elseif (stripos($ua, "MSIE")) {
 $ver = explode(";", substr($ua, stripos($ua, "MSIE") + 5, 4));
 $ver = $ver[ 0];
 $browser = "IE ".$ver;
 }
 elseif(stripos($ua, "UCWEB")) {
 $browser = "UCWEB Browser";
 }
 elseif(stripos($ua, "WAP")) {
 $browser = "Mobile browser";
 } else {
 $browser = $ua;
 }
 if ($browser == '') $browser = $ua;
 return $browser;
}
/*Get operating system version*/
function os($ua) {
 $os = "";
 if ( stripos($ua, "Googlebot")) {
 $os = "Google Spider";
 }
 elseif(stripos($ua, "Baiduspider") !== false) {
 $os = "Baiduspider";
 }
 elseif(stripos($ua, "Yahoo!") !== false) {
 $os = "Yahoo Spider";
 }
 elseif(stripos($ua, "bingbot")) {
 $os = " Bing Spider";
 }
 elseif(stripos($ua, "YRSpider")) {
 $os = "YRSpider";
 }
 elseif(stripos($ua, "Yeti") !== false) {
 $os = "Naver Spider";
 }
 elseif(stripos($ua, "Windows NT")) {
 switch (substr($ua, stripos($ua, "Windows NT") + 11, 3) ) {
 case 5.0:
 $os = "Windows 2000";
 break;

 case 5.1:
 $os = "Windows XP";
 break;

 case 5.2:
 $os = "Windows 2003";
 break;

 case 6.0:
 $os = "Windows Vista/2008";
 break;

 case 6.1:
 $os = "Windows 7";
 break;

 case 6.2:
 $os = "Windows 8 ";
 break;

 default:
 $os = "Windows";
 break;

 }
 if (stripos($ua, "WOW64")) {
 $os.= "(X64)";
 } else {
 $os.= "(X86)";
 }
 }
 elseif(stripos($ua, "Android")) {
 $os = substr($ua, stripos($ua, "Android"), 11);
 }
 elseif(stripos($ua, "Linux")) {
 if (stripos($ua, "i686")) {
 $os = "Linux X86";
 } else {
 $os = "Linux";
 }
 if (stripos($ua, "X11")) {
 $os.= "(X Window)";
 }
 }
 elseif(stripos($ua, "Macintosh")) {
 $os = "Mac";
 }
 elseif(stripos($ua, "IOS")) {
 $os = "iOS";
 }
 elseif(stripos($ua, "ZTE")) {
 $ os = "ZTE";
 }
 elseif(stripos($ua, "Windows 98")) {
 $os = "Windows 98";
 } else {
 $os = "Unknown System";
 }
 return $ os;
}


echo "Current browser:".browser($useragent);
echo "Current operating system:".os($useragent);


?>