nulla, funziona tutto per ora.

so io che so esaurito:
codice:
    $xml = simplexml_load_file($newFile) or die("Error: Cannot create object");


    $objs = $xml->xpath('//productfeed//models');
    foreach ($objs as $models) {
      foreach ($models as $model) {
        $artNome = trim($model->description);
        $attrCodice = $model->attributes();
        $artCodice = $attrCodice[0];
        $artSku = '';
        $artCodiceFeed = '';
        $artCategoria = '';
        $artDesc = trim($model->extDesc);
        $artNextDataStock = null;
        $artTags = trim($model->keywords);
        $artBrand = '';
        $artMateriale = '';
        $artNote = trim($model->productComments);


//        echo "$artNome | $artCodice | $artSku | $artCategoria | $artDesc | $artTags | $artNote \n";


        $items = $model->xpath('//items');
        foreach ($items as $it) {
          foreach ($it as $item) {
            $attrCodiceItem = $item->attributes();
            $giacCodice = $attrCodiceItem[0];
            $giacEan = trim($item->eanCode);


            echo "$giacCodice | $giacEan \n";
          }
        }
      }
    }