Edit file File name : class-wc-product-variable-data-store-interface.php Content :<?php /** * Product Variable Data Store Interface * * @version 3.0.0 * @package WooCommerce\Interface */ /** * WC Product Variable Data Store Interface * * Functions that must be defined by product variable store classes. * * @version 3.0.0 */ interface WC_Product_Variable_Data_Store_Interface { /** * Does a child have a weight set? * * @param WC_Product $product Product object. * @return boolean */ public function child_has_weight( $product ); /** * Does a child have dimensions set? * * @param WC_Product $product Product object. * @return boolean */ public function child_has_dimensions( $product ); /** * Is a child in stock? * * @param WC_Product $product Product object. * @return boolean */ public function child_is_in_stock( $product ); /** * Syncs all variation names if the parent name is changed. * * @param WC_Product $product Product object. * @param string $previous_name Previous name. * @param string $new_name New name. */ public function sync_variation_names( &$product, $previous_name = '', $new_name = '' ); /** * Stock managed at the parent level - update children being managed by this product. * This sync function syncs downwards (from parent to child) when the variable product is saved. * * @param WC_Product $product Product object. */ public function sync_managed_variation_stock_status( &$product ); /** * Sync variable product prices with children. * * @param WC_Product|int $product Product object or ID. */ public function sync_price( &$product ); /** * Delete variations of a product. * * @param int $product_id Product ID. * @param bool $force_delete False to trash. */ public function delete_variations( $product_id, $force_delete = false ); /** * Untrash variations. * * @param int $product_id Product ID. */ public function untrash_variations( $product_id ); } Save