public function sync_price( &$product ) {
		global $wpdb;

		$children = $product->get_visible_children();
		if ( $children ) {
			$format   = array_fill( 0, count( $children ), '%d' );
			$query_in = '(' . implode( ',', $format ) . ')';
			$prices   = array_unique( $wpdb->get_col( $wpdb->prepare( "SELECT meta_value FROM $wpdb->postmeta WHERE meta_key = '_price' AND post_id IN {$query_in}", $children ) ) ); // @codingStandardsIgnoreLine.
		} else {
			$prices = array();
		}

		delete_post_meta( $product->get_id(), '_price' );
		delete_post_meta( $product->get_id(), '_sale_price' );
		delete_post_meta( $product->get_id(), '_regular_price' );

		if ( $prices ) {
			sort( $prices, SORT_NUMERIC );
			// To allow sorting and filtering by multiple values, we have no choice but to store child prices in this manner.
			foreach ( $prices as $price ) {
				if ( is_null( $price ) || '' === $price ) {
					continue;
				}
				add_post_meta( $product->get_id(), '_price', $price, false );
			}
		}

		$this->update_lookup_table( $product->get_id(), 'wc_product_meta_lookup' );

		/**
		 * Fire an action for this direct update so it can be detected by other code.
		 *
		 * @since 3.6
		 * @param int $product_id Product ID that was updated directly.
		 */
		do_action( 'woocommerce_updated_product_price', $product->get_id() );
	}