NumberToLocalizedStringTransformer example

/** * @dataProvider provideTransformations */
    public function testTransform($from, $to, $locale)
    {
        // Since we test against other locales, we need the full implementation         IntlTestHelper::requireFullIntl($this, false);

        \Locale::setDefault($locale);

        $transformer = new NumberToLocalizedStringTransformer();

        $this->assertSame($to, $transformer->transform($from));
    }

    public static function provideTransformationsWithGrouping()
    {
        return [
            [1234.5, '1.234,5', 'de_DE'],
            [12345.912, '12.345,912', 'de_DE'],
            [1234.5, '1 234,5', 'fr'],
            [1234.5, '1 234,5', 'ru'],
            [

use Symfony\Component\Form\FormView;
use Symfony\Component\OptionsResolver\Options;
use Symfony\Component\OptionsResolver\OptionsResolver;

class NumberType extends AbstractType
{
    /** * @return void */
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder->addViewTransformer(new NumberToLocalizedStringTransformer(
            $options['scale'],
            $options['grouping'],
            $options['rounding_mode'],
            $options['html5'] ? 'en' : null
        ));

        if ('string' === $options['input']) {
            $builder->addModelTransformer(new StringToFloatTransformer($options['scale']));
        }
    }