得到浏览器的类型

public static function getBrowser() { $http_user_agent = $_SERVER["HTTP_USER_AGENT"]; if (strpos($http_user_agent, "MSIE 8.0")) return "Internet Explorer 8.0"; else if (strpos($http_user_agent, "MSIE 7.0")) return "Internet Explorer 7.0"; else if (strpos($http_user_agent, "MSIE 6.0")) return "Internet Explorer 6.0"; else if (strpos($http_user_agent, "Firefox/3")) return "Firefox 3"; else if (strpos($http_user_agent, "Firefox/2")) return "Firefox 2"; else if (strpos($http_user_agent, "Chrome")) return "Google Chrome"; else if (strpos($http_user_agent, "Safari")) return "Safari"; else if (strpos($http_user_agent, "Opera")) return "Opera"; else return $http_user_agent; }