Redaxscript\Controller\Comment::_validate PHP Method

    protected function _validate($postArray = [])
    {
        $emailValidator = new Validator\Email();
        $captchaValidator = new Validator\Captcha();
        $urlValidator = new Validator\Url();
        /* validate post */
        $messageArray = [];
        if (!$postArray['author']) {
            $messageArray[] = $this->_language->get('author_empty');
        }
        if (!$postArray['email']) {
            $messageArray[] = $this->_language->get('email_empty');
        } else {
            if ($emailValidator->validate($postArray['email']) === Validator\ValidatorInterface::FAILED) {
                $messageArray[] = $this->_language->get('email_incorrect');
            }
        }
        if ($postArray['url'] && $urlValidator->validate($postArray['url']) === Validator\ValidatorInterface::FAILED) {
            $messageArray[] = $this->_language->get('url_incorrect');
        }
        if (!$postArray['text']) {
            $messageArray[] = $this->_language->get('comment_empty');
        }
        if (!$postArray['article']) {
            $messageArray[] = $this->_language->get('input_incorrect');
        }
        if (Db::getSetting('captcha') > 0 && $captchaValidator->validate($postArray['task'], $postArray['solution']) === Validator\ValidatorInterface::FAILED) {
            $messageArray[] = $this->_language->get('captcha_incorrect');
        }
        return $messageArray;
    }