class ResponseMetadataMiddleware implements MiddlewareInterface (View source)

Middleware which transforms $response into [$response, $metadata]

Methods

__construct(callable $nextHandler)

No description

__invoke(Call $call, array $options)

Modify or observe the API call request and response.

Details

__construct(callable $nextHandler)

No description

Parameters

callable $nextHandler

PromiseInterface|ClientStream|ServerStream|BidiStream __invoke(Call $call, array $options)

Modify or observe the API call request and response.

The returned value must include the result of the next MiddlewareInterface invocation in the chain.

Parameters

Call $call
array $options

Return Value

PromiseInterface|ClientStream|ServerStream|BidiStream