unyx / auth

    protected function parseOptions(array& $options)

    {

        // Ensure we got a valid 'signer' key.

        if ((null === $this->signer && !isset($options['signer'])) || (isset($options['signer']) && !$options['signer'] instanceof oauth1\interfaces\Signer)) {

            throw new \InvalidArgumentException('A [signer] key with a Signer implementing '.oauth1\interfaces\Signer::class.' must be provided.');

        }

        // Ensure the 'client' is set and contains valid Credentials.

        if ((null === $this->client && !isset($options['client'])) || (isset($options['client']) && !$options['client'] instanceof auth\id\credentials\Client)) {

        }

        // Ensure the 'client' is set and contains valid Credentials.

        if ((null === $this->client && !isset($options['client'])) || (isset($options['client']) && !$options['client'] instanceof auth\id\credentials\Client)) {

            throw new \InvalidArgumentException('A [client] key with a Credentials implementing '.auth\id\credentials\Client::class.' must be provided.');

        }

        // Ensure the 'params' key is always set.

        if (!isset($options['params'])) {