How to WooCommerce Custom Actions ‘Order Status Changed’ Notifications for Success

Let’s explore another essential WooCommerce

/**
 * Perform custom actions when the order status changes.
 *
 * @param int $order_id Order ID.
 * @param string $old_status Previous order status.
 * @param string $new_status New order status.
 * @param WC_Order $order Order object.
 */
function custom_order_status_changed_actions( $order_id, $old_status, $new_status, $order ) {
    // Check if the new status is 'completed'
    if ( 'completed' === $new_status ) {
        // Example: Send a notification email to the admin
        $admin_email = get_option( 'admin_email' );
        $subject = 'Order Completed: #' . $order_id;
        $message = 'An order has been completed. Order ID: ' . $order_id;
        wp_mail( $admin_email, $subject, $message );
    }
}
add_action( 'woocommerce_order_status_changed', 'custom_order_status_changed_actions', 10, 4 );

This function receives four parameters:
$order_id : The ID of the order whose status has changed.
$old_status : The previous status of the order.
$new_status : The new status of the order.
$order : The order object.

Inside the function :
We check if the new status is ‘completed’.

If the new status is ‘completed’, we send a notification email to the admin using wp_mail.

Use Cases : Order Processing: Execute post-order processing tasks, such as generating invoices, updating inventory, or initiating shipping procedures based on order status changes.

Notification Triggers : Send email notifications to customers, administrators, or other stakeholders to provide updates on order status changes or important events.

Integration with External Systems : Trigger actions or updates in external systems, such as ERP software or fulfillment services, in response to order status changes.
Best Practices:

Best Practices:

Error Handling : Implement error handling mechanisms to gracefully handle cases where order status change actions fail or encounter issues.

Performance Optimization : Optimize processing tasks to minimize latency and ensure efficient handling of order status changes, especially in high-traffic environments.

Data Integrity : Ensure that data updates or actions triggered by order status changes maintain data integrity and consistency across the system.

The woocommerce_order_status_changed hook is a powerful tool for developers to respond dynamically to changes in order status within WooCommerce. By leveraging this hook effectively, developers can automate order processing tasks, communicate effectively with stakeholders, and integrate with external systems seamlessly. Understanding how to utilize this hook enables you to streamline operations, enhance customer experience, and maintain efficient order management processes in your WooCommerce store.