public function memorizeAll()
    {
        // memorize() method doesn't memorize anything if value is null
        foreach ($this->get() as $field => $value) {
            if ((isset($this->reset) && $this->isClicked($this->reset)) || is_null($value)) {
                $this->forget($field);
            } else {
                $this->memorize($field, $value);
            }
        }
    }