[wp-trac] [WordPress Trac] #49118: REST API: minor performance improvement for /wp/v2/users?who=authors

[WordPress Trac]

#49118: REST API: minor performance improvement for /wp/v2/users?who=authors
------------------------------+-----------------------
 Reporter:  pbiron            |       Owner:  (none)
     Type:  enhancement       |      Status:  new
 Priority:  normal            |   Milestone:  5.4
Component:  Users             |     Version:  4.9.6
 Severity:  normal            |  Resolution:
 Keywords:  has-patch commit  |     Focuses:  rest-api
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Description changed by SergeyBiryukov:

Old description:

> Related: #42202
>
> Changeset [https://core.trac.wordpress.org/changeset/43137 43137] added a
> `who=authors` parameter to the `list users` endpoint.
>
> When that parameter is present,
> `WP_REST_Users_Controller::get_items_permissions_check()` checks that the
> current user has the capability to `edit_posts` for at least 1 post type
> that has `show_in_rest = true` and supports author.  That check loops
> through **all** post types with `show_in_rest = true`.
>
> A minor performance improvement could be had by breaking out of that loop
> as soon one post type is found that meets the requirements.

New description:

 Related: #42202

 Changeset [43137] added a `who=authors` parameter to the `list users`
 endpoint.

 When that parameter is present,
 `WP_REST_Users_Controller::get_items_permissions_check()` checks that the
 current user has the capability to `edit_posts` for at least 1 post type
 that has `show_in_rest = true` and supports author.  That check loops
 through **all** post types with `show_in_rest = true`.

 A minor performance improvement could be had by breaking out of that loop
 as soon one post type is found that meets the requirements.

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Ticket URL: <https://core.trac.wordpress.org/ticket/49118#comment:3>
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