wpsnoop Function apply_coupon() conflicts found in 2 plugins

A php function called apply_coupon() is used in 2 wordpress plugins/themes and could produce a potential conflict if the wrong combination of themes and plugins is used on your site.

To prevent this from happening developers are encouraged to use namespaces and scopes that isolate their functions from colliding with other functions but this is not always done correctly.

We hope this reference helps you to find PHP Fatal error: Cannot redeclare apply_coupon()

The following 2 plugins register a function called apply_coupon():

Plugin
Best Upsell for WooCommerce
Paytm Digital Downloads