beginField() public method
Begins a form field. This method will create a new form field and returns its opening tag. You should call endField() afterwards. See also:
endField()
field()
public string beginField ( $model, $attribute, $options = [] )$model yii\base\Model
The data model. $attribute string
The attribute name or expression. See yii\helpers\Html::getAttributeName() for the format about attribute expression. $options array
The additional configurations for the field object.