[wp-trac] [WordPress Trac] #36271: Trigger _doing_it_wrong if wp_send_json is used on a REST API request

[WordPress Trac]

#36271: Trigger _doing_it_wrong if wp_send_json is used on a REST API request
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 Reporter:  rmccue       |      Owner:
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  Awaiting Review
Component:  REST API     |    Version:
 Severity:  normal       |   Keywords:  needs-patch
  Focuses:               |
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 We should heavily discourage users from using wp_send_json (& co.) on REST
 API requests. Two changes I want to make:

 1. If `_doing_it_wrong` is triggered on a REST request, we should add a
 header ala the `_deprecated_function` headers.
 2. If `wp_send_json` is called on a REST request, we should trigger a
 `_doing_it_wrong` and point people towards `WP_REST_Response` and
 `WP_Error`

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Ticket URL: <https://core.trac.wordpress.org/ticket/36271>
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