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CakePHP 3 - Accept JSON Header Only Working When Debug False

Posted on 05/29/2018 at 09:20 am by Kevin Wentworth
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Strange thing... when you have debug disabled you may find that your application works fine when dealing with json routes without the extension.  Instead of accessing /posts.json, you would access /posts and send an Accept: application/json header and the same thing is achieved.

Debug On - Json View Templates Don't Load - Same Accept Header

I came across this issue, which seems to imply that if you want the application/json Accept header to be properly parsed, you need to enable router extensions for json.

The fix: add Router::extensions()

This is an easy fix, but a little bewildering that it works in this way:

Cheers,
-Kevin Wentworth