Frontend\Modules\Search\Actions\Index::validateForm PHP Метод

    private function validateForm()
    {
        // is the form submitted
        if ($this->frm->isSubmitted()) {
            // cleanup the submitted fields, ignore fields that were added by hackers
            $this->frm->cleanupFields();
            // validate required fields
            $this->frm->getField('q')->isFilled(FL::err('TermIsRequired'));
            // no errors?
            if ($this->frm->isCorrect()) {
                // get search term
                $this->term = $this->frm->getField('q')->getValue();
            }
        }
    }