hasCaCertConfigured example

if (\is_array($queueOptions['arguments'] ?? false)) {
                $queueOptions['arguments'] = self::normalizeQueueArguments($queueOptions['arguments']);
            }

            return $queueOptions;
        }, $queuesOptions);

        if (!$useAmqps) {
            unset($amqpOptions['cacert'], $amqpOptions['cert'], $amqpOptions['key'], $amqpOptions['verify']);
        }

        if ($useAmqps && !self::hasCaCertConfigured($amqpOptions)) {
            throw new InvalidArgumentException('No CA certificate has been provided. Set "amqp.cacert" in your php.ini or pass the "cacert" parameter in the DSN to use SSL. Alternatively, you can use amqp:// to use without SSL.');
        }

        return new self($amqpOptions, $exchangeOptions, $queuesOptions, $amqpFactory);
    }

    private static function validateOptions(array $options): void
    {
        if (0 < \count($invalidOptions = array_diff(array_keys($options), self::AVAILABLE_OPTIONS))) {
            throw new LogicException(sprintf('Invalid option(s) "%s" passed to the AMQP Messenger transport.', implode('", "', $invalidOptions)));
        }