CurrencyManager

CurrencyManager class for managing currencies.

Method	Description	Available from version
checkCurrencyID	Checks currency identifier.
checkLanguage	Checks identifier of interface language.
clearCurrencyCache	Resets currency cache.
clearTagCache	Resets tagged `currency` cache.
currencyBaseRateAgent	Calculates and updates current price of single currency unit for base currency.
getBaseCurrency	Returns base currency ID code.
getCurrencyList	Returns list of all currencies in the following format: key - currency code, value - currency name in the current language.
getInstalledCurrencies	Returns list of currencies, created when installing Currency module.
isCurrencyExist	Checks currency existence by its ID.
updateBaseCurrency	Sets `currency` as base currency.
updateBaseRates	Calculates and saves actual currency rate at present date in the currency table against the base currency based on the currency rates already specified in the database.