WC_Product_Factory::get_classname_from_product_type PHP Method

    public static function get_classname_from_product_type($product_type)
    {
        return $product_type ? 'WC_Product_' . implode('_', array_map('ucfirst', explode('-', $product_type))) : false;
    }

 /**
  * Create a new product
  *
  * @since 2.2
  * @param array $data posted data
  * @return array
  */
 public function create_product($data)
 {
     $id = 0;
     try {
         if (!isset($data['product'])) {
             throw new WC_API_Exception('woocommerce_api_missing_product_data', sprintf(__('No %1$s data specified to create %1$s', 'woocommerce'), 'product'), 400);
         }
         $data = $data['product'];
         // Check permissions
         if (!current_user_can('publish_products')) {
             throw new WC_API_Exception('woocommerce_api_user_cannot_create_product', __('You do not have permission to create products', 'woocommerce'), 401);
         }
         $data = apply_filters('woocommerce_api_create_product_data', $data, $this);
         // Check if product title is specified
         if (!isset($data['title'])) {
             throw new WC_API_Exception('woocommerce_api_missing_product_title', sprintf(__('Missing parameter %s', 'woocommerce'), 'title'), 400);
         }
         // Check product type
         if (!isset($data['type'])) {
             $data['type'] = 'simple';
         }
         // Set visible visibility when not sent
         if (!isset($data['catalog_visibility'])) {
             $data['catalog_visibility'] = 'visible';
         }
         // Validate the product type
         if (!in_array(wc_clean($data['type']), array_keys(wc_get_product_types()))) {
             throw new WC_API_Exception('woocommerce_api_invalid_product_type', sprintf(__('Invalid product type - the product type must be any of these: %s', 'woocommerce'), implode(', ', array_keys(wc_get_product_types()))), 400);
         }
         // Enable description html tags.
         $post_content = isset($data['description']) ? wc_clean($data['description']) : '';
         if ($post_content && isset($data['enable_html_description']) && true === $data['enable_html_description']) {
             $post_content = $data['description'];
         }
         // Enable short description html tags.
         $post_excerpt = isset($data['short_description']) ? wc_clean($data['short_description']) : '';
         if ($post_excerpt && isset($data['enable_html_short_description']) && true === $data['enable_html_short_description']) {
             $post_excerpt = $data['short_description'];
         }
         $classname = WC_Product_Factory::get_classname_from_product_type($data['type']);
         if (!class_exists($classname)) {
             $classname = 'WC_Product_Simple';
         }
         $product = new $classname();
         $product->set_name(wc_clean($data['title']));
         $product->set_status(isset($data['status']) ? wc_clean($data['status']) : 'publish');
         $product->set_short_description(isset($data['short_description']) ? $post_excerpt : '');
         $product->set_description(isset($data['description']) ? $post_content : '');
         // Attempts to create the new product.
         $product->create();
         $id = $product->get_id();
         // Checks for an error in the product creation
         if (0 >= $id) {
             throw new WC_API_Exception('woocommerce_api_cannot_create_product', $id->get_error_message(), 400);
         }
         // Check for featured/gallery images, upload it and set it
         if (isset($data['images'])) {
             $product = $this->save_product_images($product, $data['images']);
         }
         // Save product meta fields
         $product = $this->save_product_meta($product, $data);
         $product->save();
         // Save variations
         if (isset($data['type']) && 'variable' == $data['type'] && isset($data['variations']) && is_array($data['variations'])) {
             $this->save_variations($product, $data);
         }
         do_action('woocommerce_api_create_product', $id, $data);
         // Clear cache/transients
         wc_delete_product_transients($id);
         $this->server->send_status(201);
         return $this->get_product($id);
     } catch (WC_Data_Exception $e) {
         $this->clear_product($id);
         return new WP_Error($e->getErrorCode(), $e->getMessage(), array('status' => $e->getCode()));
     } catch (WC_API_Exception $e) {
         $this->clear_product($id);
         return new WP_Error($e->getErrorCode(), $e->getMessage(), array('status' => $e->getCode()));
     }
 }