NFePHP\Extras\Danfe::pAnfavea PHP Method

    private function pAnfavea($cdata = '')
    {
        if ($cdata == '') {
            return '';
        }
        //remove qualquer texto antes ou depois da tag CDATA
        $cdata = str_replace('<![CDATA[', '<CDATA>', $cdata);
        $cdata = str_replace(']]>', '</CDATA>', $cdata);
        $cdata = preg_replace('/\\s\\s+/', ' ', $cdata);
        $cdata = str_replace("> <", "><", $cdata);
        $len = strlen($cdata);
        $startPos = strpos($cdata, '<');
        if ($startPos === false) {
            return $cdata;
        }
        for ($x = $len; $x > 0; $x--) {
            if (substr($cdata, $x, 1) == '>') {
                $endPos = $x;
                break;
            }
        }
        if ($startPos > 0) {
            $parte1 = substr($cdata, 0, $startPos);
        } else {
            $parte1 = '';
        }
        $parte2 = substr($cdata, $startPos, $endPos - $startPos + 1);
        if ($endPos < $len) {
            $parte3 = substr($cdata, $endPos + 1, $len - $endPos - 1);
        } else {
            $parte3 = '';
        }
        $texto = trim($parte1) . ' ' . trim($parte3);
        if (strpos($parte2, '<CDATA>') === false) {
            $cdata = '<CDATA>' . $parte2 . '</CDATA>';
        } else {
            $cdata = $parte2;
        }
        //carrega o xml CDATA em um objeto DOM
        $dom = new DomDocumentNFePHP();
        $dom->loadXML($cdata, LIBXML_NOBLANKS | LIBXML_NOEMPTYTAG);
        //$xml = $dom->saveXML();
        //grupo CDATA infADprod
        $id = $dom->getElementsByTagName('id')->item(0);
        $div = $dom->getElementsByTagName('div')->item(0);
        $entg = $dom->getElementsByTagName('entg')->item(0);
        $dest = $dom->getElementsByTagName('dest')->item(0);
        $ctl = $dom->getElementsByTagName('ctl')->item(0);
        $ref = $dom->getElementsByTagName('ref')->item(0);
        if (isset($id)) {
            if ($id->hasAttributes()) {
                foreach ($id->attributes as $attr) {
                    $name = $attr->nodeName;
                    $value = $attr->nodeValue;
                    $texto .= " {$name} : {$value}";
                }
            }
        }
        if (isset($div)) {
            if ($div->hasAttributes()) {
                foreach ($div->attributes as $attr) {
                    $name = $attr->nodeName;
                    $value = $attr->nodeValue;
                    $texto .= " {$name} : {$value}";
                }
            }
        }
        if (isset($entg)) {
            if ($entg->hasAttributes()) {
                foreach ($entg->attributes as $attr) {
                    $name = $attr->nodeName;
                    $value = $attr->nodeValue;
                    $texto .= " {$name} : {$value}";
                }
            }
        }
        if (isset($dest)) {
            if ($dest->hasAttributes()) {
                foreach ($dest->attributes as $attr) {
                    $name = $attr->nodeName;
                    $value = $attr->nodeValue;
                    $texto .= " {$name} : {$value}";
                }
            }
        }
        if (isset($ctl)) {
            if ($ctl->hasAttributes()) {
                foreach ($ctl->attributes as $attr) {
                    $name = $attr->nodeName;
                    $value = $attr->nodeValue;
                    $texto .= " {$name} : {$value}";
                }
            }
        }
        if (isset($ref)) {
            if ($ref->hasAttributes()) {
                foreach ($ref->attributes as $attr) {
                    $name = $attr->nodeName;
                    $value = $attr->nodeValue;
                    $texto .= " {$name} : {$value}";
                }
            }
        }
        //grupo CADATA infCpl
        $t = $dom->getElementsByTagName('transmissor')->item(0);
        $r = $dom->getElementsByTagName('receptor')->item(0);
        $versao = !empty($dom->getElementsByTagName('versao')->item(0)->nodeValue) ? 'Versao:' . $dom->getElementsByTagName('versao')->item(0)->nodeValue . ' ' : '';
        $especieNF = !empty($dom->getElementsByTagName('especieNF')->item(0)->nodeValue) ? 'Especie:' . $dom->getElementsByTagName('especieNF')->item(0)->nodeValue . ' ' : '';
        $fabEntrega = !empty($dom->getElementsByTagName('fabEntrega')->item(0)->nodeValue) ? 'Entrega:' . $dom->getElementsByTagName('fabEntrega')->item(0)->nodeValue . ' ' : '';
        $dca = !empty($dom->getElementsByTagName('dca')->item(0)->nodeValue) ? 'dca:' . $dom->getElementsByTagName('dca')->item(0)->nodeValue . ' ' : '';
        $texto .= "" . $versao . $especieNF . $fabEntrega . $dca;
        if (isset($t)) {
            if ($t->hasAttributes()) {
                $texto .= " Transmissor ";
                foreach ($t->attributes as $attr) {
                    $name = $attr->nodeName;
                    $value = $attr->nodeValue;
                    $texto .= " {$name} : {$value}";
                }
            }
        }
        if (isset($r)) {
            if ($r->hasAttributes()) {
                $texto .= " Receptor ";
                foreach ($r->attributes as $attr) {
                    $name = $attr->nodeName;
                    $value = $attr->nodeValue;
                    $texto .= " {$name} : {$value}";
                }
            }
        }
        return $texto;
    }