How to Hide Other WooCommerce Shipping Methods if Free Shipping is available
This feature is used to hide other flat rate shipping methods once free shipping is available.
This option available in the Manage Shipping Methods -> Master Settings global section.
In the below screenshots we can check option settings and their output.
Screenshot - 1: (Without option selected)
Once no option selected then it will showcase all shipping methods
Screenshot - 2: (With option selected)
Once the option selected then it will showcase only free shipping and hide other shipping methods