The below code snippet is used to configure minimum shipping amount for UPS services.
In the above snippet, the user has to set the minimum value in this variable :
$min_shipping_rate = 10;
Here, a minimum value of 10 is set.
So, for any service, if UPS API returns any value less than 10, then the snippet overrides this and shows a value of 10 in the cart as shown in screenshot below :
Before incorporating snippet:
After incorporating snippet :