Slim: Method 'withJson' not found in Psr\Http\Message\ResponseInterface
Response interface from PSR does not include withJson() method, which is run on it in closure.
archi-tektur
All 6 comments
withJson() is just implemented in the Slim response for convenience and has to be implemented yourself in some way when you want to use a different PSR7 implementation.
Thats the reason for this note on the doc-block:
danopz
on 12 Dec 2018
Okey, but still - it's not in the interface so IDEs and Rich text editors will throw a warning, why don't you create SlimResponseInterface that will extends PSR7 implementation?
archi-tektur
on 12 Dec 2018
@archi-tektur
鈥hy don't you create SlimResponseInterface that will extends PSR7 implementation?
This would be against the idea of PSR and interoperability.
Suggestion: create a separate JsonResponse class which implements the PSR-7 interface for response.
(Compare with zend-diactoros and the custom responses: https://docs.zendframework.com/zend-diactoros/v2/custom-responses/)
froschdesign
on 13 Dec 2018
Another option is to type hint to a Slim\Http\Response if you know that it will always be one in your application.
akrabat
on 13 Dec 2018
Okay, thanks, to be closed then
archi-tektur
on 16 Dec 2018
Closing as per @archi-tektur's request
l0gicgate
on 4 Feb 2019
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Most helpful comment
@archi-tektur
This would be against the idea of PSR and interoperability.
Suggestion: create a separate
JsonResponseclass which implements the PSR-7 interface for response.(Compare with zend-diactoros and the custom responses: https://docs.zendframework.com/zend-diactoros/v2/custom-responses/)