yii\behaviors\AttributeTypecastBehavior::events PHP Method

    public function events()
    {
        $events = [];
        if ($this->typecastAfterValidate) {
            $events[Model::EVENT_AFTER_VALIDATE] = 'afterValidate';
        }
        if ($this->typecastBeforeSave) {
            $events[BaseActiveRecord::EVENT_BEFORE_INSERT] = 'beforeSave';
            $events[BaseActiveRecord::EVENT_BEFORE_UPDATE] = 'beforeSave';
        }
        if ($this->typecastAfterFind) {
            $events[BaseActiveRecord::EVENT_AFTER_FIND] = 'afterFind';
        }
        return $events;
    }