app\models\Invitation::signatureDiv PHP Method

    public function signatureDiv()
    {
        if (!$this->signature_base64) {
            return false;
        }
        return sprintf('<img src="data:image/svg+xml;base64,%s"></img><p/>%s: %s', $this->signature_base64, trans('texts.signed'), Utils::fromSqlDateTime($this->signature_date));
    }