php检测useragent版本示例

复制代码 代码如下:<?phpdefine(‘IE’, 1);define(‘FIREFOX’, 2);define(‘CHROME’, 3);define(‘OPERA’, 4);class UserAgentDetect{ static $version = array(); static $userAgent = ”; static function getUserAgent() { $header = getallheaders(); self :: $userAgent = $header[‘User-Agent’];