class xml_form
    {
        public function write_xml($value)
        {
            // Ricreo il file xml
            $dom = new DomDocument('1.0', 'UTF-8');

            // Creo i tags
            // Creo il tag della root
            $database = $dom->appendChild($dom->createElement('products'));

            // Creo il tag figlio
            //$database= $first->appendChild($dom->createElement('article'));

            foreach($value as $key => $valore)
            {
                $record = $database->appendChild($dom->createElement('article'));

                $record_attr = $dom->createAttribute('id');

                $record->appendChild($record_attr);

                $root_text = $dom->createTextNode($key);

                $record_attr->appendChild($root_text);

                $value = $record->appendChild($dom->createElement('title'));

                $value->appendChild($dom->createTextNode($valore));

                $value = $record->appendChild($dom->createElement('subtitle'));

                $value->appendChild($dom->createTextNode($valore));

                $value = $record->appendChild($dom->createElement('testo'));

                $value->appendChild($dom->createTextNode($valore));

                $value = $record->appendChild($dom->createElement('composizione1'));

                $value->appendChild($dom->createTextNode($valore));

                $value = $record->appendChild($dom->createElement('composizione2'));

                $value->appendChild($dom->createTextNode($valore));

                $value = $record->appendChild($dom->createElement('umidita'));

                $value->appendChild($dom->createTextNode($valore));
            }

            $dom->formatOutput = true;

            $testo = $dom->saveXML();

            $dom->save('xml/testi.xml');

            echo 'Salvataggio effettuato con successo';
        }


        function read_xml()
        {
            $xml = simplexml_load_file('xml/testi.xml');

            echo "<h3>N. record= ".count($xml->labels->label)."</h3>";

            foreach($xml->article as $article)

            {
                //echo '<div><label for="'. $article[id].'">'. $article[id].'</label><input name="'. $article[id].'" value="'.$article->value.'" /></div><br/>';
                echo "ciao"."<br>";

            }
        }
    }