NFePHP\NFe\MakeNFe::zTestaChaveXML PHP Метод

    private function zTestaChaveXML($dom)
    {
        $infNFe = $dom->getElementsByTagName("infNFe")->item(0);
        $ide = $dom->getElementsByTagName("ide")->item(0);
        $emit = $dom->getElementsByTagName("emit")->item(0);
        $cUF = $ide->getElementsByTagName('cUF')->item(0)->nodeValue;
        $dhEmi = $ide->getElementsByTagName('dhEmi')->item(0)->nodeValue;
        $cnpj = $emit->getElementsByTagName('CNPJ')->item(0)->nodeValue;
        $mod = $ide->getElementsByTagName('mod')->item(0)->nodeValue;
        $serie = $ide->getElementsByTagName('serie')->item(0)->nodeValue;
        $nNF = $ide->getElementsByTagName('nNF')->item(0)->nodeValue;
        $tpEmis = $ide->getElementsByTagName('tpEmis')->item(0)->nodeValue;
        $cNF = $ide->getElementsByTagName('cNF')->item(0)->nodeValue;
        $chave = str_replace('NFe', '', $infNFe->getAttribute("Id"));
        $tempData = explode("-", $dhEmi);
        $chaveMontada = $this->montaChave($cUF, $tempData[0] - 2000, $tempData[1], $cnpj, $mod, $serie, $nNF, $tpEmis, $cNF);
        //caso a chave contida na NFe esteja errada
        //substituir a chave
        if ($chaveMontada != $chave) {
            $ide->getElementsByTagName('cDV')->item(0)->nodeValue = substr($chaveMontada, -1);
            $infNFe = $dom->getElementsByTagName("infNFe")->item(0);
            $infNFe->setAttribute("Id", "NFe" . $chaveMontada);
            $this->chNFe = $chaveMontada;
        }
    }