A simple plugin that helps you split the WooCommerce order for the products that you…
WC Backorder Split is a free WooCommerce extension that automatically creates a separate order with status “Backordered” for the products that you don’t have in stock (Products on backorder).
Key Features
- Automatic Order Splitting – Automatically splits orders when products are on backorder
- Complete Order Data Transfer – Copies shipping methods, payment info, fees, coupons and taxes to backorder
- Order Relationship Tracking – Links parent and backorder orders for easy reference
- Custom Order Status – Adds “Backordered” status to WooCommerce
- Order Notes – Automatically adds notes explaining the split to both orders
- Admin Interface – Shows linked orders directly in order details page
- HPOS Compatible – Full support for WooCommerce High-Performance Order Storage
- Developer Friendly – Extensive hooks and filters for customization
Developer Features
Developers can extend the plugin using built-in hooks:
wcbs_before_split_order – Action before order splittingwcbs_after_split_order – Action after order splittingwcbs_backorder_created – Action when backorder is createdwcbs_should_split_order – Filter to prevent splittingwcbs_backorder_items – Filter to modify backorder itemswcbs_backorder_status – Filter to change backorder status
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Screenshots
WooCommerce orders admin.
How It Works?
check installation
ChangeLog
2.1.0 – 2026-02-17
- Security – Fixed unsanitized $_SERVER[‘REQUEST_URI’] access in REST API detection.
- Enhancement – Added comprehensive order data copying: shipping methods, payment info, fees, coupons, and taxes.
- Enhancement – Added order relationship linking between parent order and backorder.
- Enhancement – Added order notes to both orders explaining the split operation.
- Enhancement – Added admin panel display showing linked orders in order details.
- Enhancement – Added developer hooks for extensibility (wcbs_before_split_order, wcbs_after_split_order, wcbs_backorder_created, wcbs_split_order_error).
- Enhancement – Added filter hooks for customization (wcbs_should_split_order, wcbs_backorder_items, wcbs_backorder_status).
- Enhancement – Improved item meta data copying during split to preserve product variations and custom data.
- Enhancement – Added comprehensive PHPDoc documentation with @since tags throughout codebase.
- Fix – Critical: Added protection against duplicate order splits on page reload.
- Fix – Fixed fatal error “Call to a member function save() on int” when copying item meta data.
- Fix – Fixed order splitting logic to work correctly when product stock status is already ‘onbackorder’.
- Fix – Removed unnecessary is_on_backorder() check that prevented stock quantity tracking.
- Fix – Properly retrieve order item objects after add_product() to enable meta data copying.
- Fix – Updated version number consistency across all plugin files.
- Fix – Updated @version tags in PHPDoc blocks to reflect current version.
- Fix – Made bulk action text translatable for better localization support.
- Fix – Added return value to is_request() method for better error handling.
2.0 – 2025-11-10
- Security – Added CSRF protection with nonce validation for AJAX requests.
- Security – Added capability checks for admin operations.
- Security – Enhanced input validation and sanitization.
- Enhancement – Improved error handling with try-catch blocks and logging.
- Enhancement – Added comprehensive PHPDoc documentation.
- Enhancement – Optimized performance by loading admin styles only on relevant pages.
- Enhancement – Improved database query efficiency using specific item types.
- Enhancement – Enhanced product and order validation throughout the codebase.
- Enhancement – Added detailed error logging for debugging and monitoring.
- Fix – Fixed class reference in singleton pattern documentation.
- Fix – Improved code structure and readability.
- Tweak – Maintained full HPOS (High-Performance Order Storage) compatibility.
1.9 – 2025-05-14
- Enhancement – WooCommerce Version 9.8.5 compatibility added.
1.8 – 2024-07-29
- Enhancement – WooCommerce Version 9.1.4 compatibility added.
- Enhancement – WooCommerce High Performance Order Storage compatibility added.
1.7 – 2022-06-09
- Enhancement – WooCommerce Version 6.5.1 compatibility added.
1.6 – 2021-01-16
- Fix – Negative stocks checking issue fixed.
1.5 – 2021-01-15
- Fix – Parent order quantity issue fixed.
- Tweak – WC 4.9.0 support added.
1.4 – 2020-06-12
- Enhancement – Deactivation feedback form added.
- Enhancement – Plugin structure updated.
- Tweak – WC 4.2 support added.
1.3 – 2019-06-13
- Order status updation issue fixed
1.2 – 2019-06-11
- Order splitting bug fixes
1.1 – 2019-04-8
- Guest user data in backorder bug fixed
1.0
