Unknown Property and programatically adding textfields in Yii2 form

Question

I am adding dynamic form field:

<?php
$channels = Channel::find()->all();

foreach ( $channels as $channel ) {
    $channel_name = 'channel_' . strtolower( $channel->name );
    ?>
    <div class="col-xs-2">
        <?= $form->field( $model, $channel_name )->textInput()->label( $channel->name ) ?>
    </div>
<?php } ?>

I've declared it safe in the rules():

$channels = Channel::find()->all();

foreach ( $channels as $channel ) {
    $rules[] = [['channel_' . $channel->name], 'safe'];
}

return $rules;

However I'm getting an error:

Getting unknown property: app\models\MyModel::channel_facebook

How do I dynamically declare the 'channel_' . $channel->name properties in Yii2?

soju · Accepted Answer · 2016-05-24 19:05:07Z

1

You could simply override attributes(), e.g. :

public function attributes()
{
    // just an example, not really efficient but it will work
    $attributes = [];
    $channels = Channel::find()->all(); 
    foreach ($channels as $channel) {
        $attributes[] = 'channel_' . strtolower($channel->name);
    }
    return array_merge(parent::attributes(), $attributes);
}

answered May 24, 2016 at 19:05

soju

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