PHP WC_Product::is_purchasable方法代码示例

 /**
  * Get standard product data that applies to every product type
  *
  * @since 2.1
  * @param WC_Product $product
  * @return array
  */
 private function get_product_data($product)
 {
     return array('title' => $product->get_name(), 'id' => $product->get_id(), 'created_at' => $this->server->format_datetime($product->get_date_created(), false, true), 'updated_at' => $this->server->format_datetime($product->get_date_modified(), false, true), 'type' => $product->get_type(), 'status' => $product->get_status(), 'downloadable' => $product->is_downloadable(), 'virtual' => $product->is_virtual(), 'permalink' => $product->get_permalink(), 'sku' => $product->get_sku(), 'price' => wc_format_decimal($product->get_price(), 2), 'regular_price' => wc_format_decimal($product->get_regular_price(), 2), 'sale_price' => $product->get_sale_price() ? wc_format_decimal($product->get_sale_price(), 2) : null, 'price_html' => $product->get_price_html(), 'taxable' => $product->is_taxable(), 'tax_status' => $product->get_tax_status(), 'tax_class' => $product->get_tax_class(), 'managing_stock' => $product->managing_stock(), 'stock_quantity' => $product->get_stock_quantity(), 'in_stock' => $product->is_in_stock(), 'backorders_allowed' => $product->backorders_allowed(), 'backordered' => $product->is_on_backorder(), 'sold_individually' => $product->is_sold_individually(), 'purchaseable' => $product->is_purchasable(), 'featured' => $product->is_featured(), 'visible' => $product->is_visible(), 'catalog_visibility' => $product->get_catalog_visibility(), 'on_sale' => $product->is_on_sale(), 'weight' => $product->get_weight() ? wc_format_decimal($product->get_weight(), 2) : null, 'dimensions' => array('length' => $product->get_length(), 'width' => $product->get_width(), 'height' => $product->get_height(), 'unit' => get_option('woocommerce_dimension_unit')), 'shipping_required' => $product->needs_shipping(), 'shipping_taxable' => $product->is_shipping_taxable(), 'shipping_class' => $product->get_shipping_class(), 'shipping_class_id' => 0 !== $product->get_shipping_class_id() ? $product->get_shipping_class_id() : null, 'description' => apply_filters('the_content', $product->get_description()), 'short_description' => apply_filters('woocommerce_short_description', $product->get_short_description()), 'reviews_allowed' => $product->get_reviews_allowed(), 'average_rating' => wc_format_decimal($product->get_average_rating(), 2), 'rating_count' => $product->get_rating_count(), 'related_ids' => array_map('absint', array_values(wc_get_related_products($product->get_id()))), 'upsell_ids' => array_map('absint', $product->get_upsell_ids()), 'cross_sell_ids' => array_map('absint', $product->get_cross_sell_ids()), 'categories' => wc_get_object_terms($product->get_id(), 'product_cat', 'name'), 'tags' => wc_get_object_terms($product->get_id(), 'product_tag', 'name'), 'images' => $this->get_images($product), 'featured_src' => wp_get_attachment_url(get_post_thumbnail_id($product->get_id())), 'attributes' => $this->get_attributes($product), 'downloads' => $this->get_downloads($product), 'download_limit' => $product->get_download_limit(), 'download_expiry' => $product->get_download_expiry(), 'download_type' => 'standard', 'purchase_note' => apply_filters('the_content', $product->get_purchase_note()), 'total_sales' => $product->get_total_sales(), 'variations' => array(), 'parent' => array());
 }

 /**
  * Get standard product data that applies to every product type
  *
  * @since 2.1
  * @param WC_Product $product
  * @return WC_Product
  */
 private function get_product_data($product)
 {
     return array('title' => $product->get_title(), 'id' => (int) $product->is_type('variation') ? $product->get_variation_id() : $product->id, 'created_at' => $this->server->format_datetime($product->get_post_data()->post_date_gmt), 'updated_at' => $this->server->format_datetime($product->get_post_data()->post_modified_gmt), 'type' => $product->product_type, 'status' => $product->get_post_data()->post_status, 'downloadable' => $product->is_downloadable(), 'virtual' => $product->is_virtual(), 'permalink' => $product->get_permalink(), 'sku' => $product->get_sku(), 'price' => $product->get_price(), 'regular_price' => $product->get_regular_price(), 'sale_price' => $product->get_sale_price() ? $product->get_sale_price() : null, 'price_html' => $product->get_price_html(), 'taxable' => $product->is_taxable(), 'tax_status' => $product->get_tax_status(), 'tax_class' => $product->get_tax_class(), 'managing_stock' => $product->managing_stock(), 'stock_quantity' => $product->get_stock_quantity(), 'in_stock' => $product->is_in_stock(), 'backorders_allowed' => $product->backorders_allowed(), 'backordered' => $product->is_on_backorder(), 'sold_individually' => $product->is_sold_individually(), 'purchaseable' => $product->is_purchasable(), 'featured' => $product->is_featured(), 'visible' => $product->is_visible(), 'catalog_visibility' => $product->visibility, 'on_sale' => $product->is_on_sale(), 'product_url' => $product->is_type('external') ? $product->get_product_url() : '', 'button_text' => $product->is_type('external') ? $product->get_button_text() : '', 'weight' => $product->get_weight() ? $product->get_weight() : null, 'dimensions' => array('length' => $product->length, 'width' => $product->width, 'height' => $product->height, 'unit' => get_option('woocommerce_dimension_unit')), 'shipping_required' => $product->needs_shipping(), 'shipping_taxable' => $product->is_shipping_taxable(), 'shipping_class' => $product->get_shipping_class(), 'shipping_class_id' => 0 !== $product->get_shipping_class_id() ? $product->get_shipping_class_id() : null, 'description' => wpautop(do_shortcode($product->get_post_data()->post_content)), 'short_description' => apply_filters('woocommerce_short_description', $product->get_post_data()->post_excerpt), 'reviews_allowed' => 'open' === $product->get_post_data()->comment_status, 'average_rating' => wc_format_decimal($product->get_average_rating(), 2), 'rating_count' => (int) $product->get_rating_count(), 'related_ids' => array_map('absint', array_values($product->get_related())), 'upsell_ids' => array_map('absint', $product->get_upsells()), 'cross_sell_ids' => array_map('absint', $product->get_cross_sells()), 'parent_id' => $product->post->post_parent, 'categories' => wp_get_post_terms($product->id, 'product_cat', array('fields' => 'names')), 'tags' => wp_get_post_terms($product->id, 'product_tag', array('fields' => 'names')), 'images' => $this->get_images($product), 'featured_src' => (string) wp_get_attachment_url(get_post_thumbnail_id($product->is_type('variation') ? $product->variation_id : $product->id)), 'attributes' => $this->get_attributes($product), 'downloads' => $this->get_downloads($product), 'download_limit' => (int) $product->download_limit, 'download_expiry' => (int) $product->download_expiry, 'download_type' => $product->download_type, 'purchase_note' => wpautop(do_shortcode(wp_kses_post($product->purchase_note))), 'total_sales' => metadata_exists('post', $product->id, 'total_sales') ? (int) get_post_meta($product->id, 'total_sales', true) : 0, 'variations' => array(), 'parent' => array(), 'grouped_products' => array());
 }

 /**
  * Returns false if the product cannot be bought.
  *
  * @access public
  * @return bool
  */
 public function is_purchasable()
 {
     // Published == enabled checkbox
     if (get_post_status($this->variation_id) != 'publish') {
         $purchasable = false;
     } else {
         $purchasable = parent::is_purchasable();
     }
     return $purchasable;
 }

 /**
  * Returns false if the product cannot be bought.
  * Override abstract method so that: i) Disabled variations are not be purchasable by admins. ii) Enabled variations are not purchasable if the parent product is not purchasable.
  *
  * @return bool
  */
 public function is_purchasable()
 {
     // Published == enabled checkbox
     if (get_post_status($this->variation_id) != 'publish') {
         $purchasable = false;
     } else {
         $purchasable = parent::is_purchasable();
     }
     return apply_filters('woocommerce_variation_is_purchasable', $purchasable, $this);
 }

 /**
  * Get product data.
  *
  * @param WC_Product $product Product instance.
  * @return array
  */
 protected function get_product_data($product)
 {
     $data = array('id' => $product->get_id(), 'name' => $product->get_name(), 'slug' => $product->get_slug(), 'permalink' => $product->get_permalink(), 'date_created' => wc_rest_prepare_date_response($product->get_date_created()), 'date_modified' => wc_rest_prepare_date_response($product->get_date_modified()), 'type' => $product->get_type(), 'status' => $product->get_status(), 'featured' => $product->is_featured(), 'catalog_visibility' => $product->get_catalog_visibility(), 'description' => wpautop(do_shortcode($product->get_description())), 'short_description' => apply_filters('woocommerce_short_description', $product->get_short_description()), 'sku' => $product->get_sku(), 'price' => $product->get_price(), 'regular_price' => $product->get_regular_price(), 'sale_price' => $product->get_sale_price() ? $product->get_sale_price() : '', 'date_on_sale_from' => $product->get_date_on_sale_from() ? date('Y-m-d', $product->get_date_on_sale_from()) : '', 'date_on_sale_to' => $product->get_date_on_sale_to() ? date('Y-m-d', $product->get_date_on_sale_to()) : '', 'price_html' => $product->get_price_html(), 'on_sale' => $product->is_on_sale(), 'purchasable' => $product->is_purchasable(), 'total_sales' => $product->get_total_sales(), 'virtual' => $product->is_virtual(), 'downloadable' => $product->is_downloadable(), 'downloads' => $this->get_downloads($product), 'download_limit' => $product->get_download_limit(), 'download_expiry' => $product->get_download_expiry(), 'download_type' => 'standard', 'external_url' => $product->is_type('external') ? $product->get_product_url() : '', 'button_text' => $product->is_type('external') ? $product->get_button_text() : '', 'tax_status' => $product->get_tax_status(), 'tax_class' => $product->get_tax_class(), 'manage_stock' => $product->managing_stock(), 'stock_quantity' => $product->get_stock_quantity(), 'in_stock' => $product->is_in_stock(), 'backorders' => $product->get_backorders(), 'backorders_allowed' => $product->backorders_allowed(), 'backordered' => $product->is_on_backorder(), 'sold_individually' => $product->is_sold_individually(), 'weight' => $product->get_weight(), 'dimensions' => array('length' => $product->get_length(), 'width' => $product->get_width(), 'height' => $product->get_height()), 'shipping_required' => $product->needs_shipping(), 'shipping_taxable' => $product->is_shipping_taxable(), 'shipping_class' => $product->get_shipping_class(), 'shipping_class_id' => $product->get_shipping_class_id(), 'reviews_allowed' => $product->get_reviews_allowed(), 'average_rating' => wc_format_decimal($product->get_average_rating(), 2), 'rating_count' => $product->get_rating_count(), 'related_ids' => array_map('absint', array_values(wc_get_related_products($product->get_id()))), 'upsell_ids' => array_map('absint', $product->get_upsell_ids()), 'cross_sell_ids' => array_map('absint', $product->get_cross_sell_ids()), 'parent_id' => $product->get_parent_id(), 'purchase_note' => wpautop(do_shortcode(wp_kses_post($product->get_purchase_note()))), 'categories' => $this->get_taxonomy_terms($product), 'tags' => $this->get_taxonomy_terms($product, 'tag'), 'images' => $this->get_images($product), 'attributes' => $this->get_attributes($product), 'default_attributes' => $this->get_default_attributes($product), 'variations' => array(), 'grouped_products' => array(), 'menu_order' => $product->get_menu_order());
     return $data;
 }

 private function get_product_from_post($post_id)
 {
     $woocommerce_ver_below_2_1 = false;
     if (version_compare(WOOCOMMERCE_VERSION, '2.1', '<')) {
         $woocommerce_ver_below_2_1 = true;
     }
     if ($woocommerce_ver_below_2_1) {
         $product = new WC_Product_Simple($post_id);
     } else {
         $product = new WC_Product($post_id);
     }
     //$post_categories = wp_get_post_categories( $post_id );
     //$categories = get_the_category();
     try {
         $thumbnail = $product->get_image();
         if ($thumbnail) {
             if (preg_match('/data-lazy-src="([^\\"]+)"/s', $thumbnail, $match)) {
                 $thumbnail = $match[1];
             } else {
                 if (preg_match('/data-lazy-original="([^\\"]+)"/s', $thumbnail, $match)) {
                     $thumbnail = $match[1];
                 } else {
                     if (preg_match('/lazy-src="([^\\"]+)"/s', $thumbnail, $match)) {
                         // Animate Lazy Load Wordpress Plugin
                         $thumbnail = $match[1];
                     } else {
                         if (preg_match('/data-echo="([^\\"]+)"/s', $thumbnail, $match)) {
                             $thumbnail = $match[1];
                         } else {
                             preg_match('/<img(.*)src(.*)=(.*)"(.*)"/U', $thumbnail, $result);
                             $thumbnail = array_pop($result);
                         }
                     }
                 }
             }
         }
     } catch (Exception $e) {
         $err_msg = "exception raised in thumbnails";
         self::send_error_report($err_msg);
         $thumbnail = '';
     }
     // handling scheduled sale price update
     if (!$woocommerce_ver_below_2_1) {
         $sale_price_dates_from = get_post_meta($post_id, '_sale_price_dates_from', true);
         $sale_price_dates_to = get_post_meta($post_id, '_sale_price_dates_to', true);
         if ($sale_price_dates_from || $sale_price_dates_to) {
             self::schedule_sale_price_update($post_id, null);
         }
         if ($sale_price_dates_from) {
             self::schedule_sale_price_update($post_id, $sale_price_dates_from);
         }
         if ($sale_price_dates_to) {
             self::schedule_sale_price_update($post_id, $sale_price_dates_to);
         }
     }
     $product_tags = array();
     foreach (wp_get_post_terms($post_id, 'product_tag') as $tag) {
         $product_tags[] = $tag->name;
     }
     $product_brands = array();
     if (taxonomy_exists('product_brand')) {
         foreach (wp_get_post_terms($post_id, 'product_brand') as $brand) {
             $product_brands[] = $brand->name;
         }
     }
     $taxonomies = array();
     try {
         $all_taxonomies = get_option('wcis_taxonomies');
         if (is_array($all_taxonomies)) {
             foreach ($all_taxonomies as $taxonomy) {
                 if (taxonomy_exists($taxonomy) && !array_key_exists($taxonomy, $taxonomies)) {
                     foreach (wp_get_post_terms($post_id, $taxonomy) as $taxonomy_value) {
                         if (!array_key_exists($taxonomy, $taxonomies)) {
                             $taxonomies[$taxonomy] = array();
                         }
                         $taxonomies[$taxonomy][] = $taxonomy_value->name;
                     }
                 }
             }
         }
     } catch (Exception $e) {
     }
     $acf_fields = array();
     try {
         if (class_exists('acf') && function_exists('get_field')) {
             $all_acf_fields = get_option('wcis_acf_fields');
             if (is_array($all_acf_fields)) {
                 foreach ($all_acf_fields as $acf_field_name) {
                     $acf_field_value = get_field($acf_field_name, $post_id);
                     if ($acf_field_value) {
                         $acf_fields[$acf_field_name] = $acf_field_value;
                     }
                 }
             }
         }
     } catch (Exception $e) {
     }
     $send_product = array('product_id' => $product->id, 'currency' => get_woocommerce_currency(), 'price' => $product->get_price(), 'url' => get_permalink($product->id), 'thumbnail_url' => $thumbnail, 'action' => 'insert', 'description' => $product->get_post_data()->post_content, 'short_description' => $product->get_post_data()->post_excerpt, 'name' => $product->get_title(), 'sku' => $product->get_sku(), 'categories' => $product->get_categories(), 'tag' => $product_tags, 'store_id' => get_current_blog_id(), 'identifier' => (string) $product->id, 'product_brand' => $product_brands, 'taxonomies' => $taxonomies, 'acf_fields' => $acf_fields, 'sellable' => $product->is_purchasable(), 'visibility' => $product->is_visible(), 'stock_quantity' => $product->get_stock_quantity(), 'is_managing_stock' => $product->managing_stock(), 'is_backorders_allowed' => $product->backorders_allowed(), 'is_purchasable' => $product->is_purchasable(), 'is_in_stock' => $product->is_in_stock(), 'product_status' => get_post_status($post_id));
     try {
         $variable = new WC_Product_Variable($post_id);
//.........这里部分代码省略.........

 /**
  * Hook into 'woocommerce_composite_show_product_type_custom' to show bundle type product content.
  *
  * @param  WC_Product  $product
  * @param  string      $component_id
  * @param  int         $composite_id
  * @param  array       $component_data
  * @return void
  */
 function composite_show_product_bundle($product, $component_id, $composite_id, $component_data)
 {
     global $woocommerce_bundles;
     if ($product->product_type == 'bundle') {
         if ($product->contains_sub()) {
             echo __('Sorry, this item cannot be purchased at the moment.', 'woocommerce-product-bundles');
             return false;
         }
         $this->compat_product = $product;
         $this->bundle_prefix = $component_id;
         $quantity_min = $component_data['quantity_min'];
         $quantity_max = $component_data['quantity_max'];
         if ($product->sold_individually == 'yes') {
             $quantity_max = 1;
             $quantity_min = min($quantity_min, 1);
         }
         $hide_product_title = isset($component_data['hide_product_title']) ? $component_data['hide_product_title'] : 'no';
         $hide_product_description = isset($component_data['hide_product_description']) ? $component_data['hide_product_description'] : 'no';
         $hide_product_thumbnail = isset($component_data['hide_product_thumbnail']) ? $component_data['hide_product_thumbnail'] : 'no';
         if ($product->is_purchasable()) {
             wc_get_template('composited-product/bundle-product.php', array('product' => $product, 'composite_id' => $composite_id, 'quantity_min' => $quantity_min, 'quantity_max' => $quantity_max, 'hide_product_title' => $hide_product_title, 'hide_product_description' => $hide_product_description, 'hide_product_thumbnail' => $hide_product_thumbnail, 'available_variations' => $product->get_available_bundle_variations(), 'attributes' => $product->get_bundle_variation_attributes(), 'selected_attributes' => $product->get_selected_bundle_variation_attributes(), 'custom_data' => array(), 'bundle_price_data' => $product->get_bundle_price_data(), 'bundled_items' => $product->get_bundled_items(), 'component_id' => $component_id, 'show_selection_ui' => false), false, $woocommerce_bundles->woo_bundles_plugin_path() . '/templates/');
         }
         $this->compat_product = $this->bundle_prefix = '';
     }
 }

 /**
  * Get standard product data that applies to every product type
  *
  * @since 2.1
  * @param WC_Product $product
  * @return WC_Product
  */
 private function get_product_data($product, $fields = null)
 {
     if ($fields) {
         $field_list = explode(',', $fields);
     }
     $product_data = array();
     if (!$fields || $fields && in_array('title', $field_list)) {
         $product_data['title'] = $product->get_title();
     }
     if (!$fields || $fields && in_array('id', $field_list)) {
         $product_data['id'] = (int) $product->is_type('variation') ? $product->get_variation_id() : $product->id;
     }
     if (!$fields || $fields && in_array('created_at', $field_list)) {
         $product_data['created_at'] = $this->server->format_datetime($product->get_post_data()->post_date_gmt);
     }
     if (!$fields || $fields && in_array('updated_at', $field_list)) {
         $product_data['updated_at'] = $this->server->format_datetime($product->get_post_data()->post_modified_gmt);
     }
     if (!$fields || $fields && in_array('type', $field_list)) {
         $product_data['type'] = $product->product_type;
     }
     if (!$fields || $fields && in_array('status', $field_list)) {
         $product_data['status'] = $product->get_post_data()->post_status;
     }
     if (!$fields || $fields && in_array('downloadable', $field_list)) {
         $product_data['downloadable'] = $product->is_downloadable();
     }
     if (!$fields || $fields && in_array('virtual', $field_list)) {
         $product_data['virtual'] = $product->is_virtual();
     }
     if (!$fields || $fields && in_array('permalink', $field_list)) {
         $product_data['permalink'] = $product->get_permalink();
     }
     if (!$fields || $fields && in_array('sku', $field_list)) {
         $product_data['sku'] = $product->get_sku();
     }
     if (!$fields || $fields && in_array('price', $field_list)) {
         $product_data['price'] = $product->get_price();
     }
     if (!$fields || $fields && in_array('regular_price', $field_list)) {
         $product_data['regular_price'] = $product->get_regular_price();
     }
     if (!$fields || $fields && in_array('sale_price', $field_list)) {
         $product_data['sale_price'] = $product->get_sale_price() ? $product->get_sale_price() : null;
     }
     if (!$fields || $fields && in_array('price_html', $field_list)) {
         $product_data['price_html'] = $product->get_price_html();
     }
     if (!$fields || $fields && in_array('taxable', $field_list)) {
         $product_data['taxable'] = $product->is_taxable();
     }
     if (!$fields || $fields && in_array('tax_status', $field_list)) {
         $product_data['tax_status'] = $product->get_tax_status();
     }
     if (!$fields || $fields && in_array('tax_class', $field_list)) {
         $product_data['tax_class'] = $product->get_tax_class();
     }
     if (!$fields || $fields && in_array('managing_stock', $field_list)) {
         $product_data['managing_stock'] = $product->managing_stock();
     }
     if (!$fields || $fields && in_array('stock_quantity', $field_list)) {
         $product_data['stock_quantity'] = $product->get_stock_quantity();
     }
     if (!$fields || $fields && in_array('in_stock', $field_list)) {
         $product_data['in_stock'] = $product->is_in_stock();
     }
     if (!$fields || $fields && in_array('backorders_allowed', $field_list)) {
         $product_data['backorders_allowed'] = $product->backorders_allowed();
     }
     if (!$fields || $fields && in_array('backordered', $field_list)) {
         $product_data['backordered'] = $product->is_on_backorder();
     }
     if (!$fields || $fields && in_array('sold_individually', $field_list)) {
         $product_data['sold_individually'] = $product->is_sold_individually();
     }
     if (!$fields || $fields && in_array('purchaseable', $field_list)) {
         $product_data['purchaseable'] = $product->is_purchasable();
     }
     if (!$fields || $fields && in_array('featured', $field_list)) {
         $product_data['featured'] = $product->is_featured();
     }
     if (!$fields || $fields && in_array('visible', $field_list)) {
         $product_data['visible'] = $product->is_visible();
     }
     if (!$fields || $fields && in_array('catalog_visibility', $field_list)) {
         $product_data['catalog_visibility'] = $product->visibility;
     }
     if (!$fields || $fields && in_array('on_sale', $field_list)) {
         $product_data['on_sale'] = $product->is_on_sale();
     }
     if (!$fields || $fields && in_array('product_url', $field_list)) {
         $product_data['product_url'] = $product->is_type('external') ? $product->get_product_url() : '';
     }
//.........这里部分代码省略.........

 /**
  * Add a product to the cart.
  *
  * @param string $product_id contains the id of the product to add to the cart
  * @param string $quantity contains the quantity of the item to add
  * @param int $variation_id
  * @param array $variation attribute values
  * @param array $cart_item_data extra cart item data we want to pass into the item
  * @return bool
  */
 function add_to_cart($product_id, $quantity = 1, $variation_id = '', $variation = '', $cart_item_data = array())
 {
     global $woocommerce;
     if ($quantity < 1) {
         return false;
     }
     // Load cart item data - may be added by other plugins
     $cart_item_data = (array) apply_filters('woocommerce_add_cart_item_data', $cart_item_data, $product_id);
     // Generate a ID based on product ID, variation ID, variation data, and other cart item data
     $cart_id = $this->generate_cart_id($product_id, $variation_id, $variation, $cart_item_data);
     // See if this product and its options is already in the cart
     $cart_item_key = $this->find_product_in_cart($cart_id);
     if ($variation_id > 0) {
         $product_data = new WC_Product_Variation($variation_id);
     } else {
         $product_data = new WC_Product($product_id);
     }
     // Force quantity to 1 if sold individually
     if ($product_data->is_sold_individually()) {
         $quantity = 1;
     }
     // Check product is_purchasable
     if (!$product_data->is_purchasable()) {
         $woocommerce->add_error(__('Sorry, this product cannot be purchased.', 'woocommerce'));
         return false;
     }
     // Stock check - only check if we're managing stock and backorders are not allowed
     if (!$product_data->has_enough_stock($quantity)) {
         $woocommerce->add_error(sprintf(__('You cannot add that amount to the cart since there is not enough stock. We have %s in stock.', 'woocommerce'), $product_data->get_stock_quantity()));
         return false;
     } elseif (!$product_data->is_in_stock()) {
         $woocommerce->add_error(__('You cannot add that product to the cart since the product is out of stock.', 'woocommerce'));
         return false;
     }
     // Downloadable/virtual qty check
     if ($product_data->is_sold_individually()) {
         $in_cart_quantity = $cart_item_key ? $this->cart_contents[$cart_item_key]['quantity'] + $quantity : $quantity;
         // If its greater than 1, its already in the cart
         if ($in_cart_quantity > 1) {
             $woocommerce->add_error(sprintf('<a href="%s" class="button">%s</a> %s', get_permalink(woocommerce_get_page_id('cart')), __('View Cart &rarr;', 'woocommerce'), __('You already have this item in your cart.', 'woocommerce')));
             return false;
         }
     }
     // Stock check - this time accounting for whats already in-cart
     $product_qty_in_cart = $this->get_cart_item_quantities();
     if ($product_data->managing_stock()) {
         // Variations
         if ($variation_id && $product_data->variation_has_stock) {
             if (isset($product_qty_in_cart[$variation_id]) && !$product_data->has_enough_stock($product_qty_in_cart[$variation_id] + $quantity)) {
                 $woocommerce->add_error(sprintf(__('<a href="%s" class="button">%s</a> You cannot add that amount to the cart &mdash; we have %s in stock and you already have %s in your cart.', 'woocommerce'), get_permalink(woocommerce_get_page_id('cart')), __('View Cart &rarr;', 'woocommerce'), $product_data->get_stock_quantity(), $product_qty_in_cart[$variation_id]));
                 return false;
             }
             // Products
         } else {
             if (isset($product_qty_in_cart[$product_id]) && !$product_data->has_enough_stock($product_qty_in_cart[$product_id] + $quantity)) {
                 $woocommerce->add_error(sprintf(__('<a href="%s" class="button">%s</a> You cannot add that amount to the cart &mdash; we have %s in stock and you already have %s in your cart.', 'woocommerce'), get_permalink(woocommerce_get_page_id('cart')), __('View Cart &rarr;', 'woocommerce'), $product_data->get_stock_quantity(), $product_qty_in_cart[$product_id]));
                 return false;
             }
         }
     }
     // If cart_item_key is set, the item is already in the cart
     if ($cart_item_key) {
         $new_quantity = $quantity + $this->cart_contents[$cart_item_key]['quantity'];
         $this->set_quantity($cart_item_key, $new_quantity);
     } else {
         $cart_item_key = $cart_id;
         // Add item after merging with $cart_item_data - hook to allow plugins to modify cart item
         $this->cart_contents[$cart_item_key] = apply_filters('woocommerce_add_cart_item', array_merge($cart_item_data, array('product_id' => $product_id, 'variation_id' => $variation_id, 'variation' => $variation, 'quantity' => $quantity, 'data' => $product_data)), $cart_item_key);
     }
     do_action('woocommerce_add_to_cart', $cart_item_key, $product_id, $quantity, $variation_id, $variation, $cart_item_data);
     $woocommerce->cart_has_contents_cookie(true);
     $this->set_session();
     return true;
 }