private function jsPlaceholder($width, $height, $text, $backgroundColor, $textColor, $random, array $options)
    {
        $src = 'holder.js/' . $width . 'x' . $height . '?bg=' . $backgroundColor . '&fg=' . $textColor . '&text=' . $text;

        if ($random) {
            $src .= $src . '&random=yes';
        }

        return Html::img('', array_merge($options, ['data-src' => $src]));
    }