How to validate a form with dynamically loaded radioLists?

Question

Yii

How to validate dynamically loaded radiolists? Those. not a certain number, which depends on the number of records in the database.
It seems to have done something, but the validation does not pass + radioLists work as if it is 1 big ... that is, the checked item runs from one radioList to another
models/TestForm.php

<?php

namespace frontend\models;

use yii\base\Model;

class TestForm extends Model
{
    public $radioButtonList = [];

    public function rules()
    {
        return [
            ['radioButtonList', 'each', 'rule' => ['required']],
        ];
    }

}

controllers/TestController

public function actionView($test_id)
    {
       ...

        $testForm = new TestForm();
        if ($testForm->load(Yii::$app->request->post())) {
            if ($testForm->validate()) {
                var_dump($testForm);
            }
            else {
                return 0;
            }
        }

        ...

        return $this->render('view', [
            ...
            'testForm' => $testForm,
            ...
        ]);
    }

views/test/view

<?php

/* @var $this yii\web\View */
/* @var $model common\models\Test */
/* @var $dataProvider yii\data\ActiveDataProvider */

use common\models\Answer;
use yii\helpers\ArrayHelper;
use yii\helpers\Html;
use yii\widgets\ActiveForm;

?>
<h1><?= Html::encode($this->title) ?></h1>
<div class="test-view">
    <?php $form = ActiveForm::begin(); ?>

    <? for ($i = 0; $i < count($testQuestions); $i++) : ?>
        <section class="question-<? echo $i+1 ?>">
            <h3><? echo $testQuestions[$i]->question; ?></h3>

            <?=
             $form->field($testForm, 'radioButtonList')
                ->radioList(ArrayHelper::map(
                    Answer::find()->where(['question_id' => $testQuestions[$i]->id])->all(),
                    'id',
                    'value'
                ));
            ?>
        </section>
    <? endfor; ?>
    <div class="form-group">
        <?= Html::submitButton('Закончить тест', ['class' => 'btn btn-success']) ?>
    </div>

    <?php ActiveForm::end(); ?>
</div>

Answer 1

To work with dynamic forms, it is better to use Dynamic Model , it eliminates a lot of problems and questions