NFePHP\Extras\Danfe::pGeraInformacoesDaTagCompra PHP Method

    protected function pGeraInformacoesDaTagCompra()
    {
        $saida = "";
        if (isset($this->compra)) {
            if (!empty($this->compra->getElementsByTagName("xNEmp")->item(0)->nodeValue)) {
                $saida .= " Nota de Empenho: " . $this->compra->getElementsByTagName("xNEmp")->item(0)->nodeValue;
            }
            if (!empty($this->compra->getElementsByTagName("xPed")->item(0)->nodeValue)) {
                $saida .= " Pedido: " . $this->compra->getElementsByTagName("xPed")->item(0)->nodeValue;
            }
            if (!empty($this->compra->getElementsByTagName("xCont")->item(0)->nodeValue)) {
                $saida .= " Contrato: " . $this->compra->getElementsByTagName("xCont")->item(0)->nodeValue;
            }
        }
        return $saida;
    }