Cancel a member's payment profile. This will end their recurring subscription with the payment gateway.
- $user_id - ID of the member to cancel.
- $set_status (bool) (optional) - Whether or not to update the member's account status to 'cancelled'. Default is true.
trueif the profile was successfully cancelled.
falseif the profile wasn't cancelled, due to an error with the gateway or because the user isn't able to cancel their profile (see rcp_can_member_cancel()).