db->hostname.';dbname='.$this->db->database, $this->db->username, $this->db->password);
$configuration = new PDOProviderConfiguration();
$configuration->tableName = 'exchange_rate';
$configuration->exchangeRateColumnName = 'exchange_rate';
$configuration->targetCurrencyColumnName = 'target_currency';
$configuration->sourceCurrencyCode = $baseCurrency;
// this provider loads exchange rates from your database
$provider = new PDOProvider($pdo, $configuration);
// this provider calculates exchange rates relative to the base currency
$provider = new BaseCurrencyProvider($provider, $baseCurrency);
// this currency converter can now handle any currency pair
$converter = new CurrencyConverter($provider);
//$money = Money::of('1', 'USD');
//$mone2 = $converter->convert($money, 'XAF', RoundingMode::DOWN);
?>