[wp-trac] [WordPress Trac] #38485: Some part of the UI can be in the wrong language (edge cases)

[WordPress Trac]

#38485: Some part of the UI can be in the wrong language (edge cases)
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 Reporter:  afercia                              |       Owner:  ocean90
     Type:  defect (bug)                         |      Status:  accepted
 Priority:  high                                 |   Milestone:  4.7
Component:  I18N                                 |     Version:  trunk
 Severity:  normal                               |  Resolution:
 Keywords:  has-screenshots needs-patch has-     |     Focuses:
  unit-tests                                     |
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Changes (by swissspidy):

 * keywords:  has-screenshots needs-patch needs-unit-tests => has-
     screenshots needs-patch has-unit-tests


Comment:

 [attachment:38485-load-textdomain.4.diff] adds a bunch of tests to ensure
 these functions all use `get_user_locale()` in the admin.

 Anyone getting translated strings via Ajax will get strings in the user's
 locale when they are logged in (as `admin-ajax.php` is in the admin, after
 all). Developers should use `switch_to_locale()` if that's not desired or
 ideally leverage the REST API. We'll document this in the dev-note.

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Ticket URL: <https://core.trac.wordpress.org/ticket/38485#comment:29>
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