public function imageAttachmentLink()
    {
        $output = [];

        if (is_attachment() && wp_attachment_is_image()) {
            $metadata = wp_get_attachment_metadata();
            $output[] = sprintf(
                '<span class="full-size-link"><span class="sr-only">%s</span><a href="%s">%s &times; %s</a></span>',
                _x('Full size', 'Used before full size attachment link', 'novusopress'),
                esc_url(wp_get_attachment_url()),
                $metadata['width'],
                $metadata['height']
            );
        }

        return apply_filters('novusopress_view_image_attachment_link_output', implode('', $output));
    }