//版本
public function getOS()
{
        $ua = $_SERVER['HTTP_USER_AGENT'];
        if (strpos($ua, 'Android') !== false) {
            preg_match("/(?<=Android )[\d\.]{1,}/", $ua, $version);
            return 'Platform:Android OS_Version:'.$version[0];
        } elseif (strpos($ua, 'iPhone') !== false) {
            preg_match("/(?<=CPU iPhone OS )[\d\_]{1,}/", $ua, $version);
            return 'Platform:iPhone OS_Version:'.str_replace('_', '.', $version[0]);
        } elseif (strpos($ua, 'iPad') !== false) {
            preg_match("/(?<=CPU OS )[\d\_]{1,}/", $ua, $version);
            return 'Platform:iPad OS_Version:'.str_replace('_', '.', $version[0]);
        } 
        
}

//型号

public function mobile_type()
{
        $user_agent = $_SERVER['HTTP_USER_AGENT'];
        if (stripos($user_agent, "iPhone")!==false) {
            $brand = 'iPhone';
        } else if (stripos($user_agent, "SAMSUNG")!==false || stripos($user_agent, "Galaxy")!==false || strpos($user_agent, "GT-")!==false || strpos($user_agent, "SCH-")!==false || strpos($user_agent, "SM-")!==false) {
            $brand = '三星';
        } else if (stripos($user_agent, "Huawei")!==false || stripos($user_agent, "Honor")!==false || stripos($user_agent, "H60-")!==false || stripos($user_agent, "H30-")!==false) {
            $brand = '华为';
        } else if (stripos($user_agent, "Lenovo")!==false) {
            $brand = '联想';
        } else if (strpos($user_agent, "MI-ONE")!==false || strpos($user_agent, "MI 1S")!==false || strpos($user_agent, "MI 2")!==false || strpos($user_agent, "MI 3")!==false || strpos($user_agent, "MI 4")!==false || strpos($user_agent, "MI-4")!==false) {
            $brand = '小米';
        } else if (strpos($user_agent, "HM NOTE")!==false || strpos($user_agent, "HM201")!==false) {
            $brand = '红米';
        } else if (stripos($user_agent, "Coolpad")!==false || strpos($user_agent, "8190Q")!==false || strpos($user_agent, "5910")!==false) {
            $brand = '酷派';
        } else if (stripos($user_agent, "ZTE")!==false || stripos($user_agent, "X9180")!==false || stripos($user_agent, "N9180")!==false || stripos($user_agent, "U9180")!==false) {
            $brand = '中兴';
        } else if (stripos($user_agent, "OPPO")!==false || strpos($user_agent, "X9007")!==false || strpos($user_agent, "X907")!==false || strpos($user_agent, "X909")!==false || strpos($user_agent, "R831S")!==false || strpos($user_agent, "R827T")!==false || strpos($user_agent, "R821T")!==false || strpos($user_agent, "R811")!==false || strpos($user_agent, "R2017")!==false) {
            $brand = 'OPPO';
        } else if (strpos($user_agent, "HTC")!==false || stripos($user_agent, "Desire")!==false) {
            $brand = 'HTC';
        } else if (stripos($user_agent, "vivo")!==false) {
            $brand = 'vivo';
        } else if (stripos($user_agent, "K-Touch")!==false) {
            $brand = '天语';
        } else if (stripos($user_agent, "Nubia")!==false || stripos($user_agent, "NX50")!==false || stripos($user_agent, "NX40")!==false) {
            $brand = '努比亚';
        } else if (strpos($user_agent, "M045")!==false || strpos($user_agent, "M032")!==false || strpos($user_agent, "M355")!==false) {
            $brand = '魅族';
        } else if (stripos($user_agent, "DOOV")!==false) {
            $brand = '朵唯';
        } else if (stripos($user_agent, "GFIVE")!==false) {
            $brand = '基伍';
        } else if (stripos($user_agent, "Gionee")!==false || strpos($user_agent, "GN")!==false) {
            $brand = '金立';
        } else if (stripos($user_agent, "HS-U")!==false || stripos($user_agent, "HS-E")!==false) {
            $brand = '海信';
        } else if (stripos($user_agent, "Nokia")!==false) {
            $brand = '诺基亚';
        } else {
            $brand = '其他手机';
        }
        return $brand;
}