php解析XML

 host;
            $dbconfig['user'] = $mysql->user;
            $dbconfig['password'] = $mysql->password;
            $dbconfig['db'] = $mysql->db;
            $dbconfig['port'] = $mysql->port;
            // 将配置信息以关联数组的形式返回
            return $dbconfig;
        } catch ( Exception $e ) {
            throw new RuntimeException ( "读取数据库配置文件信息出错！" );
        }
        return $dbconfig;
    }
}