public function addMoney(Money $m)
{
if ($this->currency() == $m->currency()) {
return new Money($this->amount() + $m->amount(), $this->currency());
}
return MoneyBag::create($this, $m);
}
/**
* @param Money $money
* @return bool
*/
private function isSameCurrency(Money $money)
{
return $this->currency()->equals($money->currency());
}
private function contains(Money $m)
{
$found = $this->findMoney($m->currency());
if ($found == NULL) {
return FALSE;
}
return $found->amount() == $m->amount();
}
public function equals(Money $money) : bool
{
return $this->currency->equals($money->currency()) && $this->amount === $money->amount();
}
public function convert(Money $m, $to_currency, $round = 'down')
{
$factor = $this->get_factor($m->currency(), $to_currency);
if ($factor === null) {
throw new MoneyConversionException("no conversion for {$m->currency()} -> {$to_currency}");
}
$units = Money::round($m->units() * $factor, $round);
return new Money($units, $to_currency);
}
public function isLessThan(Money $money) : bool
{
$this->ensureCurrenciesMatch($this->currency, $money->currency());
return $this->amount < $money->amount();
}
