Viewing file:  DecimalMoneyFormatter.php (1.45 KB) -rw-r--r--
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<?php
declare(strict_types=1);
namespace Money\Formatter;
use Money\Currencies;
use Money\Money;
use Money\MoneyFormatter;
use function assert;
use function str_pad;
use function strlen;
use function substr;
/**
* Formats a Money object as a decimal string.
*/
final class DecimalMoneyFormatter implements MoneyFormatter
{
private Currencies $currencies;
public function __construct(Currencies $currencies)
{
$this->currencies = $currencies;
}
/** @psalm-return numeric-string */
public function format(Money $money): string
{
$valueBase = $money->getAmount();
$negative = $valueBase[0] === '-';
if ($negative) {
$valueBase = substr($valueBase, 1);
}
$subunit = $this->currencies->subunitFor($money->getCurrency());
$valueLength = strlen($valueBase);
if ($valueLength > $subunit) {
$formatted = substr($valueBase, 0, $valueLength - $subunit);
$decimalDigits = substr($valueBase, $valueLength - $subunit);
if (strlen($decimalDigits) > 0) {
$formatted .= '.' . $decimalDigits;
}
} else {
$formatted = '0.' . str_pad('', $subunit - $valueLength, '0') . $valueBase;
}
if ($negative) {
$formatted = '-' . $formatted;
}
assert($formatted !== '');
/** @psalm-var numeric-string $formatted */
return $formatted;
}
}
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