Update 03 February 2021: Script tested and confirmed working on WooCommerce 4.9.2.
Coupons are amazing, who does not like a discount? A very common way to give coupons to customers is to create one automatically after their first order, or something like that.
The issue with that though is that usually these coupons expire after a specific period, and by default, WooCommerce will not delete them. They have no reason to stay in your database though, so how do we delete expired coupons automatically?
With a snippet of course.
Open your functions.php file in wp-content/themes/your-child-theme-name/ and add this code at the end of the file:
This snippet will automatically move to the Trash all the expired coupons in your store so you can go and delete them permanently with one click, regardless if they have been used or not.
If you want to permanently delete the coupons directly instead of trashing them, you can change this code:
wp_trash_post( $coupon->ID );
wp_delete_post( $coupon->ID, true );
but beware that once you permanently delete a coupon it cannot be recovered.
Note that it works on WordPress cron jobs. If you disabled them or for any reason, they are not working, this snippet will not work as well.
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