Viewing file:  CurrencyList.php (1.81 KB) -rw-r--r--
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<?php
namespace Money\Currencies;
use Money\Currencies;
use Money\Currency;
use Money\Exception\UnknownCurrencyException;
/**
* A list of custom currencies.
*
* @author George Mponos <gmponos@gmail.com>
*/
final class CurrencyList implements Currencies
{
/**
* Map of currencies indexed by code.
*
* @var array
*/
private $currencies;
public function __construct(array $currencies)
{
foreach ($currencies as $currencyCode => $subunit) {
if (empty($currencyCode) || !is_string($currencyCode)) {
throw new \InvalidArgumentException(
sprintf('Currency code must be a string and not empty. "%s" given', $currencyCode)
);
}
if (!is_int($subunit) || $subunit < 0) {
throw new \InvalidArgumentException(
sprintf('Currency %s does not have a valid minor unit. Must be a positive integer.', $currencyCode)
);
}
}
$this->currencies = $currencies;
}
/**
* {@inheritdoc}
*/
public function contains(Currency $currency)
{
return isset($this->currencies[$currency->getCode()]);
}
/**
* {@inheritdoc}
*/
public function subunitFor(Currency $currency)
{
if (!$this->contains($currency)) {
throw new UnknownCurrencyException('Cannot find currency '.$currency->getCode());
}
return $this->currencies[$currency->getCode()];
}
/**
* {@inheritdoc}
*/
public function getIterator()
{
return new \ArrayIterator(
array_map(
function ($code) {
return new Currency($code);
},
array_keys($this->currencies)
)
);
}
}
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