Newscoop\Image\ImageService::getCaption PHP Method

    public function getCaption(\Newscoop\Image\LocalImage $image, $articleNumber, $languageId)
    {
        $caption = $this->getArticleImageCaption($image->getId(), $articleNumber, $languageId);
        if (!empty($caption)) {
            return $caption;
        }
        return $image->getDescription();
    }