} $options * @return array */ public function createSession(string $customerId, array $options = []): array { $payload = [ 'customer_id' => $customerId, ]; if (! empty($options['subscription_ids'])) { $payload['subscription_ids'] = array_values( array_filter($options['subscription_ids'], 'is_string') ); } return $this->client->post('/customer-portal-sessions', $payload); } }