public static function getCurrencyName($currency) {
    return (array_key_exists($currency, Connect2PayCurrencyHelper::$currencies)) ? Connect2PayCurrencyHelper::$currencies[$currency]["currency"] : null;
  }
public static function getCurrencyName($currency) {
    return (array_key_exists($currency, Connect2PayCurrencyHelper::$currencies)) ? Connect2PayCurrencyHelper::$currencies[$currency]["currency"] : null;
  }
public static function getCurrencyName ( $ currency ) { return ( array_key_exists ( $ currency , Connect2PayCurrencyHelper :: $ currencies ) ) ? Connect2PayCurrencyHelper :: $ currencies [ $ currency ] [ "currency" ] : null ; }
Return the currency name.

@param string $currency
The currency to look for
@return string The currency name or null if not found
Return the currency name .