<?php
interface DBFuncs {
    public function affected_rows();
    public function clean_results();
    public function close();
    public function delete($querystring);
    public function fetch_lengths();
    public function fetch_object();
    public function fetch_query($fetch=0);
    public function get_server();
    public function max_row($tablename,$field);
    public function num_fields();
    public function num_rows();
    public function query($queryString);
}
?>