Code Snippets
Instructions on how to add code snippets can be found Here

Order Posts Alphabetically
Modifies the main query to sort posts alphabetically by title. Must be added to functions.php file of the Theme Customisations plugin.

Change number of related products output
Please note that it does not work for all themes because of the way they’re coded.

Hide other shipping methods when “Free Shipping” is available
Adding code Before adding snippets, clear your WooCommerce cache. Go to WooCommerce > System Status > Tools > WC Transients > Clear transients. Snippets for WC 3.0+ Hides everything but free_shipping if it’s available and is compatible...

Add a custom field (in an order) to the emails
You can add any custom field to your order emails by hooking in and specifying the name of the custom field. This can be useful when used in conjunction with...

Adjust the quantity input values
Set the starting value, maximum value, minimum value and increment amount. The WooCommerce Min/Max Quantities extension is a slightly more powerful version of this code snippet.

Send coupons used in an order by email
This snippet sends by email the list of coupons used in an order. You can customize the “$to” variable and define your own email address, and the “$message” to have...

Automatically Complete Orders
You could also change the “Completed” status to be another order status, like “Processing”

Custom sorting options (asc/desc)
This example code shows how you can add an order option for ‘random’, but this also works in similar ways for other ways to order your products on the catalog...

Change the default state and country on the checkout
Note that the default_checkout_billing_country filter affects both existing and non-existing users.

Override loop template and show quantities next to add to cart buttons
To display quantity input fields for simple products within your shop archive pages, use the following code:

Allow HTML in term (category, tag) descriptions
By default, WordPress strips HTML from category descriptions. This code will prevent that from happening. The first part prevents HTML from being stripped from term descriptions. The second part prevents HTML being...