WC_Product_Variation_Data_Store_CPT::update │ public │ WC 3.0.0

Updates an existing product.

Method of the class: WC_Product_Variation_Data_Store_CPT{}

Returns

null. Nothing (null).

Usage

$WC_Product_Variation_Data_Store_CPT = new WC_Product_Variation_Data_Store_CPT();
$WC_Product_Variation_Data_Store_CPT->update( $product );

$product(WC_Product_Variation) (required) (passed by reference — &)

Product object.

Changelog

WC_Product_Variation_Data_Store_CPT::update() WC Product Variation Data Store CPT::update code ^{WC 10.5.0}

public function update( &$product ) {
	$product->save_meta_data();

	if ( ! $product->get_date_created() ) {
		$product->set_date_created( time() );
	}

	$new_title = $this->generate_product_title( $product );

	if ( $product->get_name( 'edit' ) !== $new_title ) {
		$product->set_name( $new_title );
	}

	// The post parent is not a valid variable product so we should prevent this.
	if ( $product->get_parent_id( 'edit' ) && 'product' !== get_post_type( $product->get_parent_id( 'edit' ) ) ) {
		$product->set_parent_id( 0 );
	}

	$changes = $product->get_changes();

	// Always recompute and sync the attribute summary as a safety net.
	// This ensures it's up-to-date not just for direct attribute changes (e.g., via $changes['attributes']),
	// but also for indirect desyncs, like when a global term (e.g., 'Blue' -> 'Blue2') is updated elsewhere.
	// We ideally handle those at the source (e.g., global term update hooks), but this provides a fallback.
	$new_attribute_summary = $this->generate_attribute_summary( $product );
	// Compare the fresh attribute summary with the stored summary and update if out of sync.
	if ( $new_attribute_summary !== $product->get_attribute_summary() ) {
		$product->set_attribute_summary( $new_attribute_summary );

		// If attributes weren't explicitly changed in this update, flag it to ensure the product is saved.
		// This acts as a "just-in-case" trigger for indirect desyncs.
		if ( ! isset( $changes['attributes'] ) ) {
			$changes['attributes'] = true;
		}
	}

	// Only update the post when the post data changes.
	if ( array_intersect( array( 'name', 'parent_id', 'status', 'menu_order', 'date_created', 'date_modified', 'attributes' ), array_keys( $changes ) ) ) {
		$post_data = array(
			'post_title'        => $product->get_name( 'edit' ),
			'post_excerpt'      => $product->get_attribute_summary( 'edit' ),
			'post_parent'       => $product->get_parent_id( 'edit' ),
			'comment_status'    => 'closed',
			'post_status'       => $product->get_status( 'edit' ) ? $product->get_status( 'edit' ) : ProductStatus::PUBLISH,
			'menu_order'        => $product->get_menu_order( 'edit' ),
			'post_date'         => gmdate( 'Y-m-d H:i:s', $product->get_date_created( 'edit' )->getOffsetTimestamp() ),
			'post_date_gmt'     => gmdate( 'Y-m-d H:i:s', $product->get_date_created( 'edit' )->getTimestamp() ),
			'post_modified'     => isset( $changes['date_modified'] ) ? gmdate( 'Y-m-d H:i:s', $product->get_date_modified( 'edit' )->getOffsetTimestamp() ) : current_time( 'mysql' ),
			'post_modified_gmt' => isset( $changes['date_modified'] ) ? gmdate( 'Y-m-d H:i:s', $product->get_date_modified( 'edit' )->getTimestamp() ) : current_time( 'mysql', 1 ),
			'post_type'         => 'product_variation',
			'post_name'         => $product->get_slug( 'edit' ),
		);

		/**
		 * When updating this object, to prevent infinite loops, use $wpdb
		 * to update data, since wp_update_post spawns more calls to the
		 * save_post action.
		 *
		 * This ensures hooks are fired by either WP itself (admin screen save),
		 * or an update purely from CRUD.
		 */
		if ( doing_action( 'save_post' ) ) {
			$GLOBALS['wpdb']->update( $GLOBALS['wpdb']->posts, $post_data, array( 'ID' => $product->get_id() ) );
			clean_post_cache( $product->get_id() );
		} else {
			wp_update_post( array_merge( array( 'ID' => $product->get_id() ), $post_data ) );
		}
		$product->read_meta_data( true ); // Refresh internal meta data, in case things were hooked into `save_post` or another WP hook.

	} else { // Only update post modified time to record this save event.
		$GLOBALS['wpdb']->update(
			$GLOBALS['wpdb']->posts,
			array(
				'post_modified'     => current_time( 'mysql' ),
				'post_modified_gmt' => current_time( 'mysql', 1 ),
			),
			array(
				'ID' => $product->get_id(),
			)
		);
		clean_post_cache( $product->get_id() );
	}

	$this->update_post_meta( $product );
	$this->update_terms( $product );
	$this->update_visibility( $product, true );
	$this->update_attributes( $product );
	$this->handle_updated_props( $product );

	$product->apply_changes();

	$this->update_version_and_type( $product );

	$this->clear_caches( $product );

	do_action( 'woocommerce_update_product_variation', $product->get_id(), $product );
}