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DecimalMoneyFormatter.php
63 lines
| 1 | <?php |
| 2 | |
| 3 | namespace Money\Formatter; |
| 4 | |
| 5 | use Money\Currencies; |
| 6 | use Money\Money; |
| 7 | use Money\MoneyFormatter; |
| 8 | |
| 9 | /** |
| 10 | * Formats a Money object as a decimal string. |
| 11 | * |
| 12 | * @author Teoh Han Hui <teohhanhui@gmail.com> |
| 13 | */ |
| 14 | final class DecimalMoneyFormatter implements MoneyFormatter |
| 15 | { |
| 16 | /** |
| 17 | * @var Currencies |
| 18 | */ |
| 19 | private $currencies; |
| 20 | |
| 21 | /** |
| 22 | * @param Currencies $currencies |
| 23 | */ |
| 24 | public function __construct(Currencies $currencies) |
| 25 | { |
| 26 | $this->currencies = $currencies; |
| 27 | } |
| 28 | |
| 29 | /** |
| 30 | * {@inheritdoc} |
| 31 | */ |
| 32 | public function format(Money $money) |
| 33 | { |
| 34 | $valueBase = $money->getAmount(); |
| 35 | $negative = false; |
| 36 | |
| 37 | if ($valueBase[0] === '-') { |
| 38 | $negative = true; |
| 39 | $valueBase = substr($valueBase, 1); |
| 40 | } |
| 41 | |
| 42 | $subunit = $this->currencies->subunitFor($money->getCurrency()); |
| 43 | $valueLength = strlen($valueBase); |
| 44 | |
| 45 | if ($valueLength > $subunit) { |
| 46 | $formatted = substr($valueBase, 0, $valueLength - $subunit); |
| 47 | $decimalDigits = substr($valueBase, $valueLength - $subunit); |
| 48 | |
| 49 | if (strlen($decimalDigits) > 0) { |
| 50 | $formatted .= '.'.$decimalDigits; |
| 51 | } |
| 52 | } else { |
| 53 | $formatted = '0.'.str_pad('', $subunit - $valueLength, '0').$valueBase; |
| 54 | } |
| 55 | |
| 56 | if ($negative === true) { |
| 57 | $formatted = '-'.$formatted; |
| 58 | } |
| 59 | |
| 60 | return $formatted; |
| 61 | } |
| 62 | } |
| 63 |