function visitor_os()
{
$ua = $_SERVER["HTTP_USER_AGENT"];
if(strstr($ua,"Android")){
$os = "Android";
}else if(strstr($ua,"Linux")){
$os = "Linux";
}else if(strstr($ua,"iphone")){
$os = "Iphone";
}else if(strstr($ua,"ipad")){
$os = "Ipad";
}else if(strstr($ua,"ipod")){
$os = "Ipod";
}else if(strstr($ua,"Mac OS")){
$os = "Mac OS";
}else if(strstr($ua,"Windows NT 5.1")){
$os = "Windows XP";
}else if(strstr($ua,"Windows NT 6.0")){
$os = "Windows Vista";
}else if(strstr($ua,"Windows NT 6.1")){
$os = "Windows 7";
}else if(strstr($ua,"Windows NT 6.2")){
$os = "Windows 8";
}else if(strstr($ua,"blackberry")){
$os = "Blackberry";
}else if(strstr($ua,"webos")){
$os = "Mobile";
}else{
$os = "Other";
}
return $os;
}
if else döngüsüyle androidse yönlendirirsiniz...