public function highlightArrayOfWordsInContent($wordArray, $content)
    {
        if (is_array($wordArray) && count($wordArray)) {
            $highlightedWord = (!empty($this->conf['highlightedWord_stdWrap'])) ?
                $this->cObj->stdWrap('\0', $this->conf['highlightedWord_stdWrap']) :
                '<span class="hit">\0</span>';

            foreach ($wordArray as $word) {
                $word = preg_quote($word, '/');
                $word = htmlspecialchars($word);
                // Todo: Highlight hits within words when using ke_seaarch_premium
                // Todo: option "in word search" by removing the \b parameter
                //$content = preg_replace('/(' . $word . ')/iu', $highlightedWord, $content);
                $content = preg_replace('/\b(' . $word . ')/iu', $highlightedWord, $content);
            }
        }
        return $content;
    }