// --- insert a new record with transaction processing -----------
$sql = "INSERT INTO Test (Color, Age) Values ('Blue', 3)";
$db->TransactionBegin();
if ($db->Query($sql)) {
    $db->TransactionEnd();
    echo "Last ID inserted was: " . $db->GetLastInsertID() . "<br /><br />\n";
} else {
    $db->TransactionRollback();
    echo "<p>Query Failed</p>\n";
}