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