MoneyPHP in Symfony

Currency.orm.xml

<?xml version="1.0" encoding="UTF-8"?>
<doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
                  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                  xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
    <embeddable name="Money\Currency">
        <field name="code" type="string" length="3">
            <options>
                <option name="fixed">true</option>
            </options>
        </field>
    </embeddable>
</doctrine-mapping>

Money.orm.xml

<?xml version="1.0" encoding="UTF-8"?>
<doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
                  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                  xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
                          http://www.doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
    <embeddable name="Money\Money">
        <field name="amount" type="string"/>
        <embedded name="currency" class="Money\Currency"/>
    </embeddable>
</doctrine-mapping>

MoneyExtension.php

<?php
declare(strict_types=1);
namespace App\Twig;
use Money\MoneyFormatter;
use Twig\Extension\AbstractExtension;
use Twig\TwigFilter;
class MoneyExtension extends AbstractExtension
{
    private MoneyFormatter $intlMoneyFormatter;
    public function __construct(MoneyFormatter $intlMoneyFormatter)
    {
        $this->intlMoneyFormatter = $intlMoneyFormatter;
    }
    public function getFilters(): array
    {
        return [
            new TwigFilter('money', [$this->intlMoneyFormatter, 'format']),
        ];
    }
}

MoneyTransformer.php

<?php

declare(strict_types=1);

namespace App\Form\DataTransformer;

use Money\Currencies;
use Money\Currency;
use Money\Money;
use Money\MoneyFormatter;
use Money\Number;
use Symfony\Component\Form\DataTransformerInterface;
use Symfony\Component\Form\Exception\TransformationFailedException;

class MoneyTransformer implements DataTransformerInterface
{
    private Currency $currency;
    private MoneyFormatter $moneyFormatter;
    private int $subunit;

    public function __construct(string $defaultCurrency, MoneyFormatter $moneyFormatter, Currencies $currencies)
    {
        $currency = new Currency($defaultCurrency);

        $this->subunit = $currencies->subunitFor($currency);
        $this->currency = $currency;
        $this->moneyFormatter = $moneyFormatter;
    }

    public function transform($value): ?string
    {
        if (!$value instanceof Money) {
            return null;
        }

        return $this->moneyFormatter->format($value);
    }

    public function reverseTransform($value): Money
    {
        if ($value instanceof Money) {
            return $value;
        }

        if (empty($value) && !is_array($value)) {
            return new Money(0, $this->currency);
        }

        if (!is_numeric($value)) {
            throw new TransformationFailedException(sprintf('Money value has to be a numeric value, "%s" given', is_object($value) ? get_class($value) : gettype($value)));
        }

        $number = Number::fromNumber($value)->base10(-$this->subunit);

        return new Money($number->getIntegerPart(), $this->currency);
    }
}

MoneyValueType.php

<?php

declare(strict_types=1);

namespace App\Form\Type;

use App\Form\DataTransformer\MoneyTransformer;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\Extension\Core\Type\NumberType;
use Symfony\Component\Form\FormBuilderInterface;

class MoneyValueType extends AbstractType
{
    private MoneyTransformer $moneyTransformer;

    public function __construct(MoneyTransformer $moneyTransformer)
    {
        $this->moneyTransformer = $moneyTransformer;
    }

    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder->addModelTransformer($this->moneyTransformer);
    }

    public function getParent(): string
    {
        return NumberType::class;
    }
}

services.yaml

services:
    Money\Currencies:
        class: Money\Currencies\ISOCurrencies

    Money\MoneyFormatter:
        class: Money\Formatter\DecimalMoneyFormatter