Attributes can be global (taxonomy based) or local to the product itself.
Uses ArrayAccess to be BW compatible with previous ways of reading attributes.
function test_varation_save_attributes()
{
// Create a variable product with a color attribute.
$product = new WC_Product_Variable();
$attribute = new WC_Product_Attribute();
$attribute->set_id(0);
$attribute->set_name('color');
$attribute->set_options(explode(WC_DELIMITER, 'green | red'));
$attribute->set_visible(true);
$attribute->set_variation(true);
$product->set_attributes(array($attribute));
$product->save();
// Create a new variation with the color 'green'.
$variation = new WC_Product_Variation();
$variation->set_parent_id($product->get_id());
$variation->set_attributes(array('color' => 'green'));
$variation->set_status('private');
$variation->save();
// Now update some value unrelated to attributes.
$variation = wc_get_product($variation->get_id());
$variation->set_status('publish');
$variation->save();
// Load up the updated variation and verify that the saved state is correct.
$loaded_variation = wc_get_product($variation->get_id());
$this->assertEquals('publish', $loaded_variation->get_status('edit'));
$_attribute = $loaded_variation->get_attributes('edit');
$this->assertEquals('green', $_attribute['color']);
}
/**
* Test product setters and getters
* @since 2.7.0
*/
public function test_product_getters_and_setters()
{
global $wpdb;
$attributes = array();
$attribute = new WC_Product_Attribute();
$attribute->set_id(0);
$attribute->set_name('Test Attribute');
$attribute->set_options(array('Fish', 'Fingers'));
$attribute->set_position(0);
$attribute->set_visible(true);
$attribute->set_variation(false);
$attributes['test-attribute'] = $attribute;
$getters_and_setters = array('name' => 'Test', 'slug' => 'test', 'status' => 'publish', 'catalog_visibility' => 'search', 'featured' => false, 'description' => 'Hello world', 'short_description' => 'hello', 'sku' => 'TEST SKU', 'regular_price' => 15.0, 'sale_price' => 10.0, 'date_on_sale_from' => '1475798400', 'date_on_sale_to' => '1477267200', 'total_sales' => 20, 'tax_status' => 'none', 'tax_class' => '', 'manage_stock' => true, 'stock_quantity' => 10, 'stock_status' => 'instock', 'backorders' => 'notify', 'sold_individually' => false, 'weight' => 100, 'length' => 10, 'width' => 10, 'height' => 10, 'upsell_ids' => array(2, 3), 'cross_sell_ids' => array(4, 5), 'parent_id' => 0, 'reviews_allowed' => true, 'default_attributes' => array(), 'purchase_note' => 'A note', 'menu_order' => 2, 'gallery_image_ids' => array(), 'download_expiry' => -1, 'download_limit' => 5, 'attributes' => $attributes);
$product = new WC_Product();
foreach ($getters_and_setters as $function => $value) {
$product->{"set_{$function}"}($value);
}
$product->save();
$product = new WC_Product_Simple($product->get_id());
foreach ($getters_and_setters as $function => $value) {
$this->assertEquals($value, $product->{"get_{$function}"}(), $function);
}
$image_url = media_sideload_image("https://cldup.com/Dr1Bczxq4q.png", $product->get_id(), '', 'src');
$image_id = $wpdb->get_col($wpdb->prepare("SELECT ID FROM {$wpdb->posts} WHERE guid='%s';", $image_url));
$product->set_image_id($image_id[0]);
$product->save();
$this->assertEquals($image_id[0], $product->get_image_id());
}
/**
* Read attributes from post meta.
*
* @param WC_Product
* @since 2.7.0
*/
protected function read_attributes(&$product)
{
$meta_values = maybe_unserialize(get_post_meta($product->get_id(), '_product_attributes', true));
if ($meta_values) {
$attributes = array();
foreach ($meta_values as $meta_value) {
if (!empty($meta_value['is_taxonomy'])) {
if (!taxonomy_exists($meta_value['name'])) {
continue;
}
$options = wc_get_object_terms($product->get_id(), $meta_value['name'], 'term_id');
} else {
$options = wc_get_text_attributes($meta_value['value']);
}
$attribute = new WC_Product_Attribute();
$attribute->set_id(wc_attribute_taxonomy_id_by_name($meta_value['name']));
$attribute->set_name($meta_value['name']);
$attribute->set_options($options);
$attribute->set_position($meta_value['position']);
$attribute->set_visible($meta_value['is_visible']);
$attribute->set_variation($meta_value['is_variation']);
$attributes[] = $attribute;
}
$product->set_attributes($attributes);
}
}
/**
* Save product meta.
*
* @throws WC_REST_Exception REST API exceptions.
* @param WC_Product $product Product instance.
* @param WP_REST_Request $request Request data.
* @return WC_Product
*/
protected function save_product_meta($product, $request)
{
global $wpdb;
// Virtual.
if (isset($request['virtual'])) {
$product->set_virtual($request['virtual']);
}
// Tax status.
if (isset($request['tax_status'])) {
$product->set_tax_status($request['tax_status']);
}
// Tax Class.
if (isset($request['tax_class'])) {
$product->set_tax_class($request['tax_class']);
}
// Catalog Visibility.
if (isset($request['catalog_visibility'])) {
$product->set_catalog_visibility($request['catalog_visibility']);
}
// Purchase Note.
if (isset($request['purchase_note'])) {
$product->set_purchase_note(wc_clean($request['purchase_note']));
}
// Featured Product.
if (isset($request['featured'])) {
$product->set_featured($request['featured']);
}
// Shipping data.
$product = $this->save_product_shipping_data($product, $request);
// SKU.
if (isset($request['sku'])) {
$product->set_sku(wc_clean($request['sku']));
}
// Attributes.
if (isset($request['attributes'])) {
$attributes = array();
foreach ($request['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'])) {
$attribute_name = wc_clean($attribute['name']);
}
if (!$attribute_id && !$attribute_name) {
continue;
}
if ($attribute_id) {
if (isset($attribute['options'])) {
$options = $attribute['options'];
if (!is_array($attribute['options'])) {
// Text based attributes - Posted values are term names.
$options = explode(WC_DELIMITER, $options);
}
$values = array_map('wc_sanitize_term_text_based', $options);
$values = array_filter($values, 'strlen');
} else {
$values = array();
}
if (!empty($values)) {
// Add attribute to array, but don't set values.
$attribute_object = new WC_Product_Attribute();
$attribute_object->set_id($attribute_id);
$attribute_object->set_name($attribute_name);
$attribute_object->set_options($values);
$attribute_object->set_position(isset($attribute['position']) ? (string) absint($attribute['position']) : '0');
$attribute_object->set_visible(isset($attribute['visible']) && $attribute['visible'] ? 1 : 0);
$attribute_object->set_variation(isset($attribute['variation']) && $attribute['variation'] ? 1 : 0);
$attributes[] = $attribute_object;
}
} elseif (isset($attribute['options'])) {
// Custom attribute - Add attribute to array and set the values.
if (is_array($attribute['options'])) {
$values = $attribute['options'];
} else {
$values = explode(WC_DELIMITER, $attribute['options']);
}
$attribute_object = new WC_Product_Attribute();
$attribute_object->set_name($attribute_name);
$attribute_object->set_options($values);
$attribute_object->set_position(isset($attribute['position']) ? (string) absint($attribute['position']) : '0');
$attribute_object->set_visible(isset($attribute['visible']) && $attribute['visible'] ? 1 : 0);
$attribute_object->set_variation(isset($attribute['variation']) && $attribute['variation'] ? 1 : 0);
$attributes[] = $attribute_object;
}
}
$product->set_attributes($attributes);
}
// Sales and prices.
if (in_array($product->get_type(), array('variable', 'grouped'), true)) {
$product->set_regular_price('');
$product->set_sale_price('');
$product->set_date_on_sale_to('');
$product->set_date_on_sale_from('');
$product->set_price('');
} else {
// Regular Price.
if (isset($request['regular_price'])) {
$product->set_regular_price($request['regular_price']);
}
// Sale Price.
if (isset($request['sale_price'])) {
$product->set_sale_price($request['sale_price']);
}
if (isset($request['date_on_sale_from'])) {
$product->set_date_on_sale_from($request['date_on_sale_from']);
}
if (isset($request['date_on_sale_to'])) {
$product->set_date_on_sale_to($request['date_on_sale_to']);
}
}
// Product parent ID for groups.
if (isset($request['parent_id'])) {
$product->set_parent_id($request['parent_id']);
}
// Sold individually.
if (isset($request['sold_individually'])) {
$product->set_sold_individually($request['sold_individually']);
}
// Stock status.
if (isset($request['in_stock'])) {
$stock_status = true === $request['in_stock'] ? 'instock' : 'outofstock';
} else {
$stock_status = $product->get_stock_status();
}
// Stock data.
if ('yes' === get_option('woocommerce_manage_stock')) {
// Manage stock.
if (isset($request['manage_stock'])) {
$product->set_manage_stock($request['manage_stock']);
}
// Backorders.
if (isset($request['backorders'])) {
$product->set_backorders($request['backorders']);
}
if ($product->is_type('grouped')) {
$product->set_manage_stock('no');
$product->set_backorders('no');
$product->set_stock_quantity('');
$product->set_stock_status($status);
} elseif ($product->is_type('external')) {
$product->set_manage_stock('no');
$product->set_backorders('no');
$product->set_stock_quantity('');
$product->set_stock_status('instock');
} elseif ($product->get_manage_stock()) {
// Stock status is always determined by children so sync later.
if (!$product->is_type('variable')) {
$product->set_stock_status($stock_status);
}
// Stock quantity.
if (isset($request['stock_quantity'])) {
$product->set_stock_quantity(wc_stock_amount($request['stock_quantity']));
} elseif (isset($request['inventory_delta'])) {
$stock_quantity = wc_stock_amount($product->get_stock_amount());
$stock_quantity += wc_stock_amount($request['inventory_delta']);
$product->set_stock_quantity(wc_stock_amount($stock_quantity));
}
} else {
// Don't manage stock.
$product->set_manage_stock('no');
$product->set_stock_quantity('');
$product->set_stock_status($stock_status);
}
} elseif (!$product->is_type('variable')) {
$product->set_stock_status($stock_status);
}
// Upsells.
if (isset($request['upsell_ids'])) {
$upsells = array();
$ids = $request['upsell_ids'];
if (!empty($ids)) {
foreach ($ids as $id) {
if ($id && $id > 0) {
$upsells[] = $id;
}
}
}
$product->set_upsell_ids($upsells);
}
// Cross sells.
if (isset($request['cross_sell_ids'])) {
$crosssells = array();
$ids = $request['cross_sell_ids'];
if (!empty($ids)) {
foreach ($ids as $id) {
if ($id && $id > 0) {
$crosssells[] = $id;
}
}
}
$product->set_cross_sell_ids($crosssells);
}
// Product categories.
if (isset($request['categories']) && is_array($request['categories'])) {
$product = $this->save_taxonomy_terms($product, $request['categories']);
}
// Product tags.
if (isset($request['tags']) && is_array($request['tags'])) {
$product = $this->save_taxonomy_terms($product, $request['tags'], 'tag');
}
// Downloadable.
if (isset($request['downloadable'])) {
$product->set_downloadable($request['downloadable']);
}
// Downloadable options.
if ($product->get_downloadable()) {
// Downloadable files.
if (isset($request['downloads']) && is_array($request['downloads'])) {
$product = $this->save_downloadable_files($product, $request['downloads']);
}
// Download limit.
if (isset($request['download_limit'])) {
$product->set_download_limit($request['download_limit']);
}
// Download expiry.
if (isset($request['download_expiry'])) {
$product->set_download_expiry($request['download_expiry']);
}
}
// Product url and button text for external products.
if ($product->is_type('external')) {
if (isset($request['external_url'])) {
$product->set_product_url($request['external_url']);
}
if (isset($request['button_text'])) {
$product->set_button_text($request['button_text']);
}
}
// Save default attributes for variable products.
if ($product->is_type('variable')) {
$product = $this->save_default_attributes($product, $request);
}
return $product;
}
/**
* Add an attribute row.
*/
public static function add_attribute()
{
ob_start();
check_ajax_referer('add-attribute', 'security');
if (!current_user_can('edit_products')) {
die(-1);
}
$i = absint($_POST['i']);
$metabox_class = array();
$attribute = new WC_Product_Attribute();
$attribute->set_id(wc_attribute_taxonomy_id_by_name(sanitize_text_field($_POST['taxonomy'])));
$attribute->set_name(sanitize_text_field($_POST['taxonomy']));
$attribute->set_visible(apply_filters('woocommerce_attribute_default_visibility', 1));
$attribute->set_variation(apply_filters('woocommerce_attribute_default_is_variation', 0));
if ($attribute->is_taxonomy()) {
$metabox_class[] = 'taxonomy';
$metabox_class[] = $attribute->get_name();
}
include 'admin/meta-boxes/views/html-product-attribute.php';
die;
}
/**
* Save product meta
*
* @since 2.2
* @param WC_Product $product
* @param array $data
* @return WC_Product
* @throws WC_API_Exception
*/
protected function save_product_meta($product, $data)
{
global $wpdb;
// Virtual
if (isset($data['virtual'])) {
$product->set_virtual($data['virtual']);
}
// Tax status
if (isset($data['tax_status'])) {
$product->set_tax_status(wc_clean($data['tax_status']));
}
// Tax Class
if (isset($data['tax_class'])) {
$product->set_tax_class(wc_clean($data['tax_class']));
}
// Catalog Visibility
if (isset($data['catalog_visibility'])) {
$product->set_catalog_visibility(wc_clean($data['catalog_visibility']));
}
// Purchase Note
if (isset($data['purchase_note'])) {
$product->set_purchase_note(wc_clean($data['purchase_note']));
}
// Featured Product
if (isset($data['featured'])) {
$product->set_featured($data['featured']);
}
// Shipping data
$product = $this->save_product_shipping_data($product, $data);
// SKU
if (isset($data['sku'])) {
$sku = $product->get_sku();
$new_sku = wc_clean($data['sku']);
if ('' == $new_sku) {
$product->set_sku('');
} elseif ($new_sku !== $sku) {
if (!empty($new_sku)) {
$unique_sku = wc_product_has_unique_sku($product->get_id(), $new_sku);
if (!$unique_sku) {
throw new WC_API_Exception('woocommerce_api_product_sku_already_exists', __('The SKU already exists on another product.', 'woocommerce'), 400);
} else {
$product->set_sku($new_sku);
}
} else {
$product->set_sku('');
}
}
}
// Attributes
if (isset($data['attributes'])) {
$attributes = array();
foreach ($data['attributes'] as $attribute) {
$is_taxonomy = 0;
$taxonomy = 0;
if (!isset($attribute['name'])) {
continue;
}
$attribute_slug = sanitize_title($attribute['name']);
if (isset($attribute['slug'])) {
$taxonomy = $this->get_attribute_taxonomy_by_slug($attribute['slug']);
$attribute_slug = sanitize_title($attribute['slug']);
}
if ($taxonomy) {
$is_taxonomy = 1;
}
if ($is_taxonomy) {
$attribute_id = wc_attribute_taxonomy_id_by_name($attribute['name']);
if (isset($attribute['options'])) {
$options = $attribute['options'];
if (!is_array($attribute['options'])) {
// Text based attributes - Posted values are term names
$options = explode(WC_DELIMITER, $options);
}
$values = array_map('wc_sanitize_term_text_based', $options);
$values = array_filter($values, 'strlen');
} else {
$values = array();
}
// Update post terms
if (taxonomy_exists($taxonomy)) {
wp_set_object_terms($product->get_id(), $values, $taxonomy);
}
if (!empty($values)) {
// Add attribute to array, but don't set values.
$attribute_object = new WC_Product_Attribute();
$attribute_object->set_id($attribute_id);
$attribute_object->set_name($taxonomy);
$attribute_object->set_options($values);
$attribute_object->set_position(isset($attribute['position']) ? absint($attribute['position']) : 0);
$attribute_object->set_visible(isset($attribute['visible']) && $attribute['visible'] ? 1 : 0);
$attribute_object->set_variation(isset($attribute['variation']) && $attribute['variation'] ? 1 : 0);
$attributes[] = $attribute_object;
}
} elseif (isset($attribute['options'])) {
// Array based
if (is_array($attribute['options'])) {
$values = $attribute['options'];
// Text based, separate by pipe
} else {
$values = array_map('wc_clean', explode(WC_DELIMITER, $attribute['options']));
}
// Custom attribute - Add attribute to array and set the values.
$attribute_object = new WC_Product_Attribute();
$attribute_object->set_name($attribute['name']);
$attribute_object->set_options($values);
$attribute_object->set_position(isset($attribute['position']) ? absint($attribute['position']) : 0);
$attribute_object->set_visible(isset($attribute['visible']) && $attribute['visible'] ? 1 : 0);
$attribute_object->set_variation(isset($attribute['variation']) && $attribute['variation'] ? 1 : 0);
$attributes[] = $attribute_object;
}
}
uasort($attributes, 'wc_product_attribute_uasort_comparison');
$product->set_attributes($attributes);
}
// Sales and prices
if (in_array($product->get_type(), array('variable', 'grouped'))) {
// Variable and grouped products have no prices.
$product->set_regular_price('');
$product->set_sale_price('');
$product->set_date_on_sale_to('');
$product->set_date_on_sale_from('');
$product->set_price('');
} else {
// Regular Price
if (isset($data['regular_price'])) {
$regular_price = '' === $data['regular_price'] ? '' : $data['regular_price'];
} else {
$regular_price = $product->get_regular_price();
}
// Sale Price
if (isset($data['sale_price'])) {
$sale_price = '' === $data['sale_price'] ? '' : $data['sale_price'];
} else {
$sale_price = $product->get_sale_price();
}
$product->set_regular_price($regular_price);
$product->set_sale_price($sale_price);
if (isset($data['sale_price_dates_from'])) {
$date_from = $data['sale_price_dates_from'];
} else {
$date_from = $product->get_date_on_sale_from() ? date('Y-m-d', $date_from) : '';
}
if (isset($data['sale_price_dates_to'])) {
$date_to = $data['sale_price_dates_to'];
} else {
$date_to = $product->get_date_on_sale_to() ? date('Y-m-d', $date_to) : '';
}
if ($date_to && !$date_from) {
$date_from = strtotime('NOW', current_time('timestamp'));
}
$product->set_date_on_sale_to($date_to);
$product->set_date_on_sale_from($date_from);
if ($product->is_on_sale()) {
$product->set_price($product->get_sale_price());
} else {
$product->set_price($product->get_regular_price());
}
}
// Product parent ID for groups
if (isset($data['parent_id'])) {
$product->set_parent_id(absint($data['parent_id']));
}
// Sold Individually
if (isset($data['sold_individually'])) {
$product->set_sold_individually(true === $data['sold_individually'] ? 'yes' : '');
}
// Stock status
if (isset($data['in_stock'])) {
$stock_status = true === $data['in_stock'] ? 'instock' : 'outofstock';
} else {
$stock_status = $product->get_stock_status();
if ('' === $stock_status) {
$stock_status = 'instock';
}
}
// Stock Data
if ('yes' == get_option('woocommerce_manage_stock')) {
// Manage stock
if (isset($data['managing_stock'])) {
$managing_stock = true === $data['managing_stock'] ? 'yes' : 'no';
$product->set_manage_stock($managing_stock);
} else {
$managing_stock = $product->get_manage_stock() ? 'yes' : 'no';
}
// Backorders
if (isset($data['backorders'])) {
if ('notify' == $data['backorders']) {
$backorders = 'notify';
} else {
$backorders = true === $data['backorders'] ? 'yes' : 'no';
}
$product->set_backorders($backorders);
} else {
$backorders = $product->get_backorders();
}
if ($product->is_type('grouped')) {
$product->set_manage_stock('no');
$product->set_backorders('no');
$product->set_stock_quantity('');
$product->set_stock_status($stock_status);
} elseif ($product->is_type('external')) {
$product->set_manage_stock('no');
$product->set_backorders('no');
$product->set_stock_quantity('');
$product->set_stock_status('instock');
} elseif ('yes' == $managing_stock) {
$product->set_backorders($backorders);
// Stock status is always determined by children so sync later.
if (!$product->is_type('variable')) {
$product->set_stock_status($stock_status);
}
// Stock quantity
if (isset($data['stock_quantity'])) {
$product->set_stock_quantity(wc_stock_amount($data['stock_quantity']));
}
} else {
// Don't manage stock.
$product->set_manage_stock('no');
$product->set_backorders($backorders);
$product->set_stock_quantity('');
$product->set_stock_status($stock_status);
}
} elseif (!$product->is_type('variable')) {
$product->set_stock_status($stock_status);
}
// Upsells
if (isset($data['upsell_ids'])) {
$upsells = array();
$ids = $data['upsell_ids'];
if (!empty($ids)) {
foreach ($ids as $id) {
if ($id && $id > 0) {
$upsells[] = $id;
}
}
$product->set_upsell_ids($upsells);
} else {
$product->set_upsell_ids(array());
}
}
// Cross sells
if (isset($data['cross_sell_ids'])) {
$crosssells = array();
$ids = $data['cross_sell_ids'];
if (!empty($ids)) {
foreach ($ids as $id) {
if ($id && $id > 0) {
$crosssells[] = $id;
}
}
$product->set_cross_sell_ids($crosssells);
} else {
$product->set_cross_sell_ids(array());
}
}
// Product categories
if (isset($data['categories']) && is_array($data['categories'])) {
$term_ids = array_unique(array_map('intval', $data['categories']));
$product->set_category_ids($term_ids);
}
// Product tags
if (isset($data['tags']) && is_array($data['tags'])) {
$term_ids = array_unique(array_map('intval', $data['tags']));
$product->set_tag_ids($term_ids);
}
// Downloadable
if (isset($data['downloadable'])) {
$is_downloadable = true === $data['downloadable'] ? 'yes' : 'no';
$product->set_downloadable($is_downloadable);
} else {
$is_downloadable = $product->get_downloadable() ? 'yes' : 'no';
}
// Downloadable options
if ('yes' == $is_downloadable) {
// Downloadable files
if (isset($data['downloads']) && is_array($data['downloads'])) {
$product = $this->save_downloadable_files($product, $data['downloads']);
}
// Download limit
if (isset($data['download_limit'])) {
$product->set_download_limit($data['download_limit']);
}
// Download expiry
if (isset($data['download_expiry'])) {
$product->set_download_expiry($data['download_expiry']);
}
}
// Product url
if ($product->is_type('external')) {
if (isset($data['product_url'])) {
$product->set_product_url($data['product_url']);
}
if (isset($data['button_text'])) {
$product->set_button_text($data['button_text']);
}
}
// Reviews allowed
if (isset($data['reviews_allowed'])) {
$product->set_reviews_allowed($data['reviews_allowed']);
}
// Save default attributes for variable products.
if ($product->is_type('variable')) {
$product = $this->save_default_attributes($product, $data);
}
// Do action for product type
do_action('woocommerce_api_process_product_meta_' . $product->get_type(), $product->get_id(), $data);
return $product;
}
/**
* Prepare attributes for save.
* @return array
*/
public static function prepare_attributes($data = false)
{
$attributes = array();
if (!$data) {
$data = $_POST;
}
if (isset($data['attribute_names'], $data['attribute_values'])) {
$attribute_names = $data['attribute_names'];
$attribute_values = $data['attribute_values'];
$attribute_visibility = isset($data['attribute_visibility']) ? $data['attribute_visibility'] : array();
$attribute_variation = isset($data['attribute_variation']) ? $data['attribute_variation'] : array();
$attribute_position = $data['attribute_position'];
$attribute_names_max_key = max(array_keys($attribute_names));
for ($i = 0; $i <= $attribute_names_max_key; $i++) {
if (empty($attribute_names[$i]) || !isset($attribute_values[$i])) {
continue;
}
$attribute_name = wc_clean($attribute_names[$i]);
$attribute_id = wc_attribute_taxonomy_id_by_name($attribute_name);
$options = isset($attribute_values[$i]) ? $attribute_values[$i] : '';
if (is_array($options)) {
// Term ids sent as array.
$options = wp_parse_id_list($options);
} else {
// Terms or text sent in textarea.
$options = 0 < $attribute_id ? wc_sanitize_textarea(wc_sanitize_term_text_based($options)) : wc_sanitize_textarea($options);
$options = wc_get_text_attributes($options);
}
$attribute = new WC_Product_Attribute();
$attribute->set_id($attribute_id);
$attribute->set_name($attribute_name);
$attribute->set_options($options);
$attribute->set_position($attribute_position[$i]);
$attribute->set_visible(isset($attribute_visibility[$i]));
$attribute->set_variation(isset($attribute_variation[$i]));
$attributes[] = $attribute;
}
}
return $attributes;
}
