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