[wp-trac] [WordPress Trac] #63794: PHP notice: Array to string conversion in general-template.php

[WordPress Trac]

#63794: PHP notice: Array to string conversion in general-template.php
--------------------------+---------------------------------------
 Reporter:  balvantk      |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:  6.8.2
 Severity:  normal        |   Keywords:  needs-patch needs-testing
  Focuses:                |
--------------------------+---------------------------------------
 Test Case: PHP Notice - Array to String Conversion with Multiple Coupons

 Environment:
     Cart/Checkout: Classic and Block tested
     WooCommerce version: (assumed to be recent, e.g., 9.x)


 | Step No. | Action                                             | Expected
 Result
 |
 | -------- | -------------------------------------------------- |
 ------------------------------------------------------------------------------------------------------
 |
 | 1        | Login as a registered user.                        | Login
 successful
 |
 | 2        | Add a product to the cart.                         | Product
 is added successfully
 |
 | 3        | Go to the **Cart page**.                           | Both
 coupons are auto/applied manually and reflected correctly
 |
 | 4        | Proceed to **Checkout** and place the order.       | Order is
 placed successfully
 |
 | 5        | Check the **debug.log** (or other PHP error logs). | ❌ **PHP
 Notice:** `Array to string conversion` appears if improper coupon
 formatting or output exists. |


 This error show in log file
 [07-Aug-2025 05:33:32 UTC] $helper: free_gift
 [07-Aug-2025 05:33:32 UTC] $current: smart_coupon
 [07-Aug-2025 05:33:32 UTC] $helper: smart_coupon
 [07-Aug-2025 05:33:32 UTC] $current: smart_coupon
 [07-Aug-2025 05:33:32 UTC] $helper: no
 [07-Aug-2025 05:33:32 UTC] $current: yes
 [07-Aug-2025 05:33:32 UTC] $helper: Array
 (
     [0] =>
 )

 [07-Aug-2025 05:33:32 UTC] $current: yes
 **[07-Aug-2025 05:33:32 UTC] PHP Notice:  Array to string conversion in
 C:\laragon\www\StoreApps\wp-includes\general-template.php on line 5313**
 [07-Aug-2025 05:33:32 UTC] $helper: no
 [07-Aug-2025 05:33:32 UTC] $current: yes
 [07-Aug-2025 05:33:32 UTC] $helper: no
 [07-Aug-2025 05:33:32 UTC] $current: yes

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Ticket URL: <https://core.trac.wordpress.org/ticket/63794>
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