public static function addFeatureImport($name, $position = false)
    {
        $rq = Db::getInstance()->getRow('
            SELECT `id_feature`
            FROM '._DB_PREFIX_.'feature_lang
            WHERE `name` = \''.pSQL($name).'\'
            GROUP BY `id_feature`
        ');
        if (empty($rq))
        {
            // Feature doesn't exist, create it
            $feature = new Feature();
            $languages = Language::getLanguages();
            foreach ($languages as $language)
                $feature->name[$language['id_lang']] = strval($name);
            if ($position)
                $feature->position = (int)$position;
            else
                $feature->position = Feature::getHigherPosition() + 1;
            $feature->add();
            return $feature->id;
        }
        else
        {
            if ($position && $feature = new Feature((int)$rq['id_feature']))
            {
                $feature->position = (int)$position;
                $feature->update();
            }

            return (int)$rq['id_feature'];
        }
    }

foreach (explode($this->multiple_value_separator, $features[\\\'features\\\']) as $single_feature)
{
  $tab_feature = explode(\\\':\\\', $single_feature);
  $feature_name = trim($tab_feature[0]);
  $feature_value = trim($tab_feature[1]);
  $position = isset($tab_feature[2]) ? $tab_feature[2]: false;
  if(!empty($feature_name) && !empty($feature_value))
  {
    $id_feature = Feature::addFeatureImport($feature_name, $position);
    $id_feature_value = FeatureValue::addFeatureValueImport($id_feature, $feature_value, $product->id, $id_lang);
    Product::addFeatureProductImport($product->id, $id_feature, $id_feature_value);
  }
}

foreach ($features as $feature => $value)
    if (Tools::strlen($product->{$feature}) && strncmp($feature, \'#F_\', 3) === 0)
    {
        $feature_name = str_replace(\'#F_\', \'\', $feature);
        $id_feature = Feature::addFeatureImport($feature_name);
        $feature_tmp = new Feature($id_feature);
        $flag = true;                                                
        if (Validate::isLoadedObject($feature_tmp))
        {
            $id_lang = (int)Language::getIdByIso(trim(Tools::getValue(\'iso_lang\')));
            $ProductFeatures = $product->getFeatures();
            foreach($ProductFeatures as $ProductFeature)
            {
                if (is_array($ProductFeature) && isset($ProductFeature[\'id_feature\']) && $ProductFeature[\'id_feature\'] == $id_feature)
                {
                    $featureValue = new FeatureValue((int)$ProductFeature[\'id_feature_value\']);
                    if(Validate::isLoadedObject($featureValue))
                    {
                        $featureValue->value[$id_lang] = $value;
                        $featureValue->update();
                        $flag = false;
                    }
                }
            }
        }
        if ($flag)
        {
            $id_feature_value = FeatureValue::addFeatureValueImport($id_feature, $product->{$feature});    
            Product::addFeatureProductImport($product->id, $id_feature, $id_feature_value);
        }
    }