getDescriptionKeywords example

$data['description_long'] = htmlspecialchars_decode($data['description_long']);

        $data['mainVariantNumber'] = $this->db->fetchOne(
            'SELECT variant.ordernumber FROM s_articles_details variant INNER JOIN s_articles product ON product.main_detail_id = variant.id AND product.id = ?',
            [$product->getId()]
        );

        $data['sDescriptionKeywords'] = $this->getDescriptionKeywords(
            $data['description_long']
        );

        $isSelectionSpecified = false;
        if (isset($data['isSelectionSpecified']) || \array_key_exists('isSelectionSpecified', $data)) {
            $isSelectionSpecified = $data['isSelectionSpecified'];
        }

        if ($isSelectionSpecified === true || !$product->hasConfigurator()) {
            $data = $this->legacyEventManager->fireArticleByIdEvents($data, $this);