laravel/cashier — pull request #91 by ashitvora (2014-07-21 12:22:18+00:00)
Title: Catching error when trying to fetch card info of user w/o any card

Stripe allows us to create a customer on Stripe without any card or token.
This is useful when user is subscription to a Free plan.
But when we call /customer//cards it throws error.

So handling this error in cashier and returning empty string if error is returned from Stripe.