psiphp / content-type

    public function createView(ViewFactory $factory, $data, array $options): ViewInterface

    {

        if (!is_array($data) && !$data instanceof \Traversable) {

            throw new \InvalidArgumentException(sprintf(

                'Data must be traversable or an array, got: "%s"',

                is_object($data) ? get_class($data) : gettype($data)

            ));

        }

        if (is_array($data)) {

            $data = new \ArrayIterator($data);

{

    public function createView(ViewFactory $factory, $data, array $options): ViewInterface

    {

        if (null !== $data && !is_scalar($data)) {

            throw new \InvalidArgumentException(sprintf(

                'Scalar view only accepts scalar values! Got "%s"',

                is_object($data) ? get_class($data) : gettype($data)

            ));

        }

        return new ScalarView($options['template'], $data);

    }