Yii2: model not loading array

Question

I am using the following (simple) code for a model to be used with a form in yii2:

class ChooseAgeCategoriesForm extends Model
{

    public $ageCategories;

    /**
     * @return array the validation rules.
     */
    public function rules()
    {
        return [
            ['ageCategories', 'safe'],
            [['ageCategories'], 'each', 'rule' => ['integer']],
        ];
    }
}

However, then trying to load the model like this:

$model = new ChooseAgeCategoriesForm();

if ($model->load(Yii::$app->request->post())) {
        $acIDs = $model->ageCategories;
}

The code is never executed. In fact, $model->load returns Bool(false) but $model->errors is empty. Dumping the content of post yields this result:

array(2) { ["_csrf"]=> string(56) "SzhjdWIuc0oIQSA0BEs4BDp8KzYEXwM5CG80RhNBRDkPUzIXO1gBew==" ["ageCategories"]=> array(9) { [0]=> string(1) "1" [1]=> string(1) "2" [2]=> string(1) "3" [3]=> string(1) "4" [4]=> string(1) "5" [5]=> string(1) "6" [6]=> string(1) "7" [7]=> string(1) "9" [8]=> string(2) "10" } }

So yes, the field is actually sent and filled with an array of numbers. What don't I see here, what is the problem? Thanks in advance. I also tried to add ['ageCategories', 'exist', 'allowArray' => true], as another rule, but this does not work either. Any ideas?

Form code

As requested, the code of the form itself:

<?php $form = ActiveForm::begin([
    'action' => Url::to(['/result/team-result']),
    'method' => 'post',
    'options' => ['id' => 'chooseAgeCategory', 'style' => "margin-bottom: 15px;"]
]); ?>

<?= Select2::widget([
    'name' => 'ageCategories',
    'id' => 'ac-id',
    'value' => $acIDs,
    'data' => ArrayHelper::map(AgeCategory::find()->all(), 'id', 'name'),
    'options' => ['multiple' => true, 'placeholder' => Yii::t('view', 'Select Age Category')],
    'pluginEvents' => [
        "change" => "function() { this.form.submit(); }",
    ]
]) ?>

<?php $form->end(); ?>

$model is initialized as $model = new ChooseAgeCategoriesForm();, hence ChooseAgeCategoriesForm which is derived from yii\base\Model. — Daniel
– Daniel, Commented Apr 25, 2017 at 14:22

Manikandan S · Accepted Answer · 2017-04-25 14:30:02Z

1

Please change your select2 widget code like below. Yii2 wrapping model name with field name like

ChooseAgeCategoriesForm[ageCategories]

If you inspect your form you will come to know. SO you have to give model value in the select2 widget.

<?= Select2::widget([
    'model' => $model,
    'attribute' => 'ageCategories',
    'id' => 'ac-id',
    'value' => $acIDs,
    'data' => ArrayHelper::map(AgeCategory::find()->all(), 'id', 'name'),
    'options' => ['multiple' => true, 'placeholder' => Yii::t('view', 'Select Age Category')],
    'pluginEvents' => [
        "change" => "function() { this.form.submit(); }",
    ]
]) ?>

Ref: http://demos.krajee.com/widget-details/select2

answered Apr 25, 2017 at 14:30

Manikandan S

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Comments

gmc · Accepted Answer · 2017-04-25 14:26:12Z

1

I would suggest you use the Select2 using the model attribute, so that would be automatically linked to the field easing the loading process and also using your model's validation functions:

<?= Select2::widget([
    'name' => 'ageCategories',
    'id' => 'ac-id',
    'value' => $acIDs,
    'data' => ArrayHelper::map(AgeCategory::find()->all(), 'id', 'name'),
    'options' => ['multiple' => true, 'placeholder' => Yii::t('view', 'Select Age Category')],
    'pluginEvents' => [
        "change" => "function() { this.form.submit(); }",
    ]
]) ?>

answered Apr 25, 2017 at 14:26

gmc

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