zendframework / zend-expressive / 1189

97%

master: 97%

Pull #455

travis-ci

Allow DispatchMiddleware to handle callables and service names

Because `Zend\Expressive\Router\Route` is lenient in the middleware it
composes, we cannot assume that the middleware composed is valid
http-interop middleware in the dispatcher. As such, this patch does the
following:

- Updates `DispatchMiddleware` to compose a router, response prototype,
  and container, as all are necessary for preparing interop middleware
  shims.
- Updates `DispatchMiddleware::process` to check if the middleware
  received is http-interop compatible; if not, it delegates to
  `MarshalMiddlewareTrait::prepareMiddleware()` to cast it to interop
  middleware.

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