Sto provando ad utilizzare questa classe, ho copiato pari pari dalla documentazione un esempio

ma non mi da nessun risultato ne nessun errore

Codice PHP:
$metabasedir '/u/lavori/nbo/sito/client/class/metabase';

ini_set("include_path"ini_get("include_path").":$metabasedir");

require(
"class/metabase/metabase_interface.php");
require(
"class/metabase/metabase_database.php");

$dsn=array(
    
"Type"=>"mysql",
    
"IncludePath"=>$metabasedir,
    
"Host"=>"",
    
"User"=>"root",
    
"Password"=>"sdfsegft",
    
"Persistent"=>1,
    
"DecimalPlaces"=>2
);

$dbname="plyocity_admin";

# Setup the database connection
$error=MetabaseSetupDatabaseObject($dsn,&$db);

if(
$error!="") {
    echo 
"Error while setting database access instance: $error";
    exit;
} else {
  
//MetabaseSetDatabase($db,$dbname);
  
$db->SetDatabase($dbname);
}

$query "SELECT f_name, l_name from athlete LIMIT 5,20;";
$result$db->Query($query);

if (
$db->GetColumnNames($result$cn) AND $db->FetchResultAll($result, &$all)) {

  
// Iterate through the results
  
foreach ($all as $rsNames) {
    print 
$rsNames$cn['l_name'] ] . ", " $rsNames$cn['f_name'] ] . "
"
;
  }

} else {
  
$error=$db->Error;
  
print_r($error);
}


?>