//if picture has caption & description
                $figcaption = '';
                if(!empty($image_attachment['caption']) or !empty($image_attachment['description']) or !empty($image_attachment_ulr)) {
                    $figcaption = '<figcaption class = "td-slide-caption ' . $class_post_content . '">';

                    if(!empty($image_attachment['caption'])) {
                        $figcaption .= '<div class = "td-gallery-slide-copywrite">' . $image_attachment['caption'] . '</div>';
                    }

                    if(!empty($image_attachment['description'])) {
                        $figcaption .= '<span>' . $image_attachment['description'] . '</span>';

                    }

                        if(!empty($image_attachment_ulr)) {
                            $figcaption .= '<a href="' . $image_attachment_ulr . '">' . $photographer_name. '</a>';
                        }

                    $figcaption .= '</figcaption>';
                }