php获取客户端操作系统信息

获取操作系统信息：

function GetOs() {
    $agent = $_SERVER['HTTP_USER_AGENT'] ?? '';
    $os = '未知操作系统'; // 默认值

   // 操作系统检测规则（按优先级排序）
   $rules = [
       // Windows 系列（从新到旧）
    ['patterns' => ['Windows NT 10.0', 'Windows 10'], 'os' => 'Windows 10'],
        ['patterns' => ['Windows NT 6.3', 'Windows 8.1'], 'os' => 'Windows 8.1'],
        ['patterns' => ['Windows NT 6.2', 'Windows 8'], 'os' => 'Windows 8'],
        ['patterns' => ['Windows NT 6.1', 'Windows 7'], 'os' => 'Windows 7'],
        ['patterns' => ['Windows NT 6.0', 'Windows Vista'], 'os' => 'Windows Vista'],
        ['patterns' => ['Windows NT 5.2'], 'os' => 'Windows Server 2003'],
        ['patterns' => ['Windows NT 5.1', 'Windows XP'], 'os' => 'Windows XP'],
        ['patterns' => ['Windows NT 5.0', 'Windows 2000'], 'os' => 'Windows 2000'],
        ['patterns' => ['Win95', 'Windows 95'], 'os' => 'Windows 95'],
        ['patterns' => ['Win98', 'Windows 98'], 'os' => 'Windows 98'],
        ['patterns' => ['WinNT', 'Windows NT'], 'os' => 'Windows NT'],

        // macOS 系列
    ['patterns' => ['Mac OS X 10_15', 'Mac OS X 10.15', 'Catalina'], 'os' => 'macOS Catalina'],
        ['patterns' => ['Mac OS X 10_14', 'Mac OS X 10.14', 'Mojave'], 'os' => 'macOS Mojave'],
        ['patterns' => ['Mac OS X 10_13', 'Mac OS X 10.13', 'High Sierra'], 'os' => 'macOS High Sierra'],
        ['patterns' => ['Mac OS X 10_12', 'Mac OS X 10.12', 'Sierra'], 'os' => 'macOS Sierra'],
        ['patterns' => ['Mac OS X 10_11', 'Mac OS X 10.11', 'El Capitan'], 'os' => 'OS X El Capitan'],
        ['patterns' => ['Mac OS X 10_10', 'Mac OS X 10.10', 'Yosemite'], 'os' => 'OS X Yosemite'],
        ['patterns' => ['Mac OS X 10_9', 'Mac OS X 10.9', 'Mavericks'], 'os' => 'OS X Mavericks'],
        ['patterns' => ['Mac OS X'], 'os' => 'macOS'],
        ['patterns' => ['Macintosh'], 'os' => 'Macintosh'],

        // 移动设备
    ['patterns' => ['iPhone', 'iOS'], 'os' => 'iPhone iOS'],
        ['patterns' => ['iPad', 'iPadOS'], 'os' => 'iPad iPadOS'],
        ['patterns' => ['Android'], 'os' => 'Android'],

        // Linux/Unix 系列
    ['patterns' => ['Linux'], 'os' => 'Linux'],
        ['patterns' => ['Ubuntu'], 'os' => 'Ubuntu Linux'],
        ['patterns' => ['Fedora'], 'os' => 'Fedora Linux'],
        ['patterns' => ['Debian'], 'os' => 'Debian Linux'],
        ['patterns' => ['CentOS'], 'os' => 'CentOS Linux'],
        ['patterns' => ['FreeBSD'], 'os' => 'FreeBSD'],
        ['patterns' => ['OpenBSD'], 'os' => 'OpenBSD'],
        ['patterns' => ['NetBSD'], 'os' => 'NetBSD'],
        ['patterns' => ['SunOS', 'Solaris'], 'os' => 'Solaris'],

        // 其他
    ['patterns' => ['Chrome OS', 'CrOS'], 'os' => 'Chrome OS'],
        ['patterns' => ['Xbox'], 'os' => 'Xbox OS'],
    ];

    // 遍历规则进行匹配
    foreach ($rules as $rule) {
        foreach ($rule['patterns'] as $pattern) {
            if (stripos($agent, $pattern) !== false) {
                $os = $rule['os'];
                break 2; // 跳出两层循环
            }
        }
    }

    return $os;
}