public static function detect()
{
$agent = $_SERVER['HTTP_USER_AGENT'];
if (strpos($agent, 'iPad') !== false) {
if (strpos($agent, 'OS 3') !== false) {
self::$isOldIOSDevice = true;
} else {
self::$isiPad4Device = true;
}
} else {
if (strpos($agent, 'iPhone') !== false) {
if (strpos($agent, 'iPhone OS 3') !== false) {
self::$isOldIOSDevice = true;
} else {
self::$isNewIOSDevice = true;
}
} else {
if (strpos($agent, 'Android') !== false) {
self::$isAndroidDevice = true;
}
}
}
if (self::$isNewIOSDevice) {
self::$category = "browser-ios4";
} else {
if (self::$isiPad4Device) {
self::$category = "browser-ipad4";
} else {
if (self::$isOldIOSDevice) {
self::$category = "browser-old-ios";
} else {
if (self::$isAndroidDevice) {
self::$category = "browser-android";
} else {
self::$category = "browser-desktop";
}
}
}
}
}
