Where to insert a function (method)?

Question

Yii

I display a list of news, in the controller the request is $dataProvider = new ActiveDataProvider([ .....
in the index.php view

<?= ListView::widget(
            [
                'dataProvider' => $dataProvider,
                'layout' => "{items}\n{pager}",
                'itemView' => '_index_item',

further in _index_item.php I display
the news themselves
$model->title
$model->short
I need to trim the short text correctly, I have a trimText function that does this.
Question: Where would it be logical to place this function (method) in the model, but how can I use it in the view, tell me the right solution, or is it all done in the controller?

Answer 1

In the model getShortText() implement whatever you want and use $model->shortText