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<?php |
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|
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namespace Money\Currencies; |
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|
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use Money\Currencies; |
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use Money\Currency; |
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use Money\Exception\UnknownCurrencyException; |
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|
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/** |
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* A list of custom currencies. |
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* |
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* @author George Mponos <[email protected]> |
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*/ |
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final class CurrencyList implements Currencies |
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{ |
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/** |
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* Map of currencies indexed by code. |
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* |
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* @var array |
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*/ |
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private $currencies; |
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|
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public function __construct(array $currencies) |
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{ |
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foreach ($currencies as $currencyCode => $subunit) { |
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if (empty($currencyCode) || !is_string($currencyCode)) { |
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throw new \InvalidArgumentException(sprintf('Currency code must be a string and not empty. "%s" given', $currencyCode)); |
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} |
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|
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if (!is_int($subunit) || $subunit < 0) { |
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throw new \InvalidArgumentException(sprintf('Currency %s does not have a valid minor unit. Must be a positive integer.', $currencyCode)); |
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} |
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} |
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|
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$this->currencies = $currencies; |
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} |
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|
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/** |
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* {@inheritdoc} |
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*/ |
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public function contains(Currency $currency) |
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{ |
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return isset($this->currencies[$currency->getCode()]); |
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} |
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|
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/** |
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* {@inheritdoc} |
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*/ |
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public function subunitFor(Currency $currency) |
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{ |
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if (!$this->contains($currency)) { |
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throw new UnknownCurrencyException('Cannot find currency '.$currency->getCode()); |
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} |
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|
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return $this->currencies[$currency->getCode()]; |
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} |
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|
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/** |
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* {@inheritdoc} |
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*/ |
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#[\ReturnTypeWillChange] |
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public function getIterator() |
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{ |
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return new \ArrayIterator( |
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array_map( |
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function ($code) { |
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return new Currency($code); |
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}, |
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array_keys($this->currencies) |
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) |
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); |
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} |
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} |
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|
