src/Common/Message/AbstractRequest.php
public function formatCurrency($amount)
    {
        $money = $this->getMoney((string) $amount);
        $formatter = new DecimalMoneyFormatter($this->getCurrencies());

        return $formatter->format($money);
    }
public function formatCurrency($amount)
    {
        $money = $this->getMoney((string) $amount);
        $formatter = new DecimalMoneyFormatter($this->getCurrencies());

        return $formatter->format($money);
    }
Format an amount for the payment currency.

@param string $amount
@return string