35 lines
776 B
PHP
35 lines
776 B
PHP
|
<?php
|
||
|
|
|
||
|
|
declare(strict_types=1);
|
||
|
|
|
||
|
|
namespace Money;
|
||
|
|
|
||
|
|
use IteratorAggregate;
|
||
|
|
use Money\Exception\UnknownCurrencyException;
|
||
|
|
use Traversable;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Implement this to provide a list of currencies.
|
||
|
|
*
|
||
|
|
* @extends IteratorAggregate<int|string, Currency>
|
||
|
|
*/
|
||
|
|
interface Currencies extends IteratorAggregate
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* Checks whether a currency is available in the current context.
|
||
|
|
*/
|
||
|
|
public function contains(Currency $currency): bool;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the subunit for a currency.
|
||
|
|
*
|
||
|
|
* @throws UnknownCurrencyException If currency is not available in the current context.
|
||
|
|
*/
|
||
|
|
public function subunitFor(Currency $currency): int;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return Traversable<int|string, Currency>
|
||
|
|
*/
|
||
|
|
public function getIterator(): Traversable;
|
||
|
|
}
|