get currency code and currency rate in Magento

Get base currency code, default currency code, current currency code, all allowed currency code and current currency rate in Magento.

Base currency : This currency is the currency that is used for online transaction from your site.

Default currency : This currency is the currency used to display pricing in your website.

Current currency : This currency is the currency currently chosen by the user for displaying price in the website.

Here is code...
Get Base Currency Code


Get Default Currency Code


Get Current Currency Code


Get current currency rates...

$availableCurrencyCodes = Mage::app()->getStore()->getAvailableCurrencyCodes();

For example : Current exchange rate is 1 USD = 0.64 POUND. Then, current currency rate will be 0.64.