public function convert(Money $amount, Currency $currency)
{
// Same currency? No conversion necessary.
if ($amount->getCurrency()->getCode() === $currency->getCode()) {
return $amount;
}
// Got a direct mapping? Do it.
if (isset($this->mappings[$amount->getCurrency()->getCode()][$currency->getCode()])) {
return new Money(bcmul($amount->getValue(), $this->mappings[$amount->getCurrency()->getCode()][$currency->getCode()], $amount->getPrecision()), $currency, $amount->getPrecision());
}
// Find a multi-step conversion and recursively call `convert` on each step.
$conversionPath = $this->getConversionPath($amount->getCurrency()->getCode(), $currency->getCode());
if ($conversionPath) {
return array_reduce($conversionPath, function ($amount, $nextCode) {
return $this->convert($amount, $this->mint->getCurrency($nextCode));
}, $amount);
}
// Still nothing? Error!
throw new InvalidArgumentException("No way exists to convert {$fromCode} into {$toCode}.");
}
public function testGetSetUnits()
{
$currency = new Currency('USD');
$currency->setUnits('dollars');
$this->assertEquals($currency->getUnits(), 'dollars');
}
