facebook / php-graph-sdk

            throw new \InvalidArgumentException('Argument for add() must be of type array or FacebookRequest.');

        }

        if (null === $options) {

            $options = [];

        } elseif (!is_array($options)) {

            $options = ['name' => $options];

        }

        $this->addFallbackDefaults($request);

    public function requestEntityToBatchArray(FacebookRequest $request, $options = null, $attachedFiles = null)

    {

        if (null === $options) {

            $options = [];

        } elseif (!is_array($options)) {

            $options = ['name' => $options];

        }

        $compiledHeaders = [];

        $headers = $request->getHeaders();