lib/AktiveMerchant/Billing/Gateway.php
protected function currency_lookup($code)
    {
        $currency = new CurrencyCode();

        if (isset($currency[$code])) {
            return $currency[$code];
        }

        return false;
    }
protected function currency_lookup($code)
    {
        $currency = new CurrencyCode();

        if (isset($currency[$code])) {
            return $currency[$code];
        }

        return false;
    }
protected function currency_lookup ( $ code ) { $ currency = new CurrencyCode ( ) ; if ( isset ( $ currency [ $ code ] ) ) { return $ currency [ $ code ] ; } return false ; }
Lookup for numeric currency codes and returns numeric represantation
of ISO 4217 currency code.

@param string $code

@return string|false
Lookup for numeric currency codes and returns numeric represantation of ISO 4217 currency code .