class db_class{
    function sql($query)
    {
        global $db_user,$db_password,$db,$db_server;
        $db_conn = mysql_connect($db_server,$db_user,$db_password);
        mysql_select_db($db_db);
        $result = mysql_query($query,$db_conn);

    if (!$result)
    {
        $result = 0;
    } 

    if (mysql_num_rows($result)<1)
    {
        $result = 1;
    }
        return $result;
    }
}

$db = new db_class;
$result = $db->sql("select * from admin");