class DBI {

function DBI($server,$user,$pass,$base) {
    if (isset($this->cxn)==false) {
        $this->cxn=mysql_connect($server,$user,$pass) or die("Connection error.");
        mysql_select_db($base,$this->cxn) or die("Database selection error.");
        }
    }

function clean($call) {
    if (get_magic_quotes_gpc()==0) {
        //This will hopefully kill injection attacks. Hopefully.
        $call=mysql_real_escape_string($call);
        }
    return($call);
    }

function myassoc($call) {
    //echo($call."<br />");
    return(mysql_fetch_assoc(mysql_query($this->clean($call))));// or return null;
    }

function myresult($call) {
    //echo($call."<br />");
    $dog=mysql_query($this->clean($call)) or die(mysql_error()."<br />".$call);
    if ($dog===false || mysql_num_rows($dog)==0) {
        return(null);
        }
    return(mysql_result($dog,0));
    }

function myquery($call) {
    //echo($call."<br />");
    $dog=mysql_query($this->clean($call)) or die(mysql_error()."<br />".$call);
    if ($dog===false) {
        return(null);
        }
    return($dog);
    }
}

$dbi=new DBI("server.xyz","username","password","database);
$result=$dbi->myquery("blah blah blah")