# give/4.18.0/vendor/moneyphp/money/src/Exchange.php

GiveWP – Donation Plugin and Fundraising Platform, version 4.18.0. 23 lines.

- Page: https://pluginprobe.com/plugins/give/4.18.0/code/vendor/moneyphp/money/src/Exchange.php
- Raw: https://pluginprobe.com/plugins/give/4.18.0/raw/vendor/moneyphp/money/src/Exchange.php
- Modified: 2025-03-31T19:17:16+00:00

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```php
<?php

namespace Money;

use Money\Exception\UnresolvableCurrencyPairException;

/**
 * Provides a way to get exchange rate from a third-party source and return a currency pair.
 *
 * @author Márk Sági-Kazár <mark.sagikazar@gmail.com>
 */
interface Exchange
{
    /**
     * Returns a currency pair for the passed currencies with the rate coming from a third-party source.
     *
     * @return CurrencyPair
     *
     * @throws UnresolvableCurrencyPairException When there is no currency pair (rate) available for the given currencies
     */
    public function quote(Currency $baseCurrency, Currency $counterCurrency);
}

```