WC_Product::set_default_attributes PHP Méthode

    public function set_default_attributes($default_attributes)
    {
        $this->set_prop('default_attributes', array_filter((array) $default_attributes));
    }

 /**
  * Save default attributes.
  *
  * @since 2.7.0
  *
  * @param WC_Product      $product Product instance.
  * @param WP_REST_Request $request Request data.
  * @return WC_Product
  */
 protected function save_default_attributes($product, $request)
 {
     if (isset($request['default_attributes']) && is_array($request['default_attributes'])) {
         $attributes = $product->get_variation_attributes();
         $default_attributes = array();
         foreach ($request['default_attributes'] as $attribute) {
             $attribute_id = 0;
             $attribute_name = '';
             // Check ID for global attributes or name for product attributes.
             if (!empty($attribute['id'])) {
                 $attribute_id = absint($attribute['id']);
                 $attribute_name = wc_attribute_taxonomy_name_by_id($attribute_id);
             } elseif (!empty($attribute['name'])) {
                 $attribute_name = sanitize_title($attribute['name']);
             }
             if (!$attribute_id && !$attribute_name) {
                 continue;
             }
             if (isset($attributes[$attribute_name])) {
                 $_attribute = $attributes[$attribute_name];
                 if ($_attribute['is_variation']) {
                     $value = isset($attribute['option']) ? wc_clean(stripslashes($attribute['option'])) : '';
                     if (!empty($_attribute['is_taxonomy'])) {
                         // If dealing with a taxonomy, we need to get the slug from the name posted to the API.
                         $term = get_term_by('name', $value, $attribute_name);
                         if ($term && !is_wp_error($term)) {
                             $value = $term->slug;
                         } else {
                             $value = sanitize_title($value);
                         }
                     }
                     if ($value) {
                         $default_attributes[$attribute_name] = $value;
                     }
                 }
             }
         }
         $product->set_default_attributes($default_attributes);
     }
     return $product;
 }