[wp-trac] [WordPress Trac] #46230: Calling `switch_to_locale()` fails to load plugin translations on subsequent calls

[WordPress Trac]

#46230: Calling `switch_to_locale()` fails to load plugin translations on
subsequent calls
--------------------------+-----------------------------
 Reporter:  dd32          |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  I18N          |    Version:
 Severity:  normal        |   Keywords:
  Focuses:                |
--------------------------+-----------------------------
 In short, calling `switch_to_locale()` followed by
 `restore_previous_locale()` followed by `switch_to_locale()` fails to
 reload plugin text-domain strings. It appears to work as expected with the
 `default` text-domain however.

 An example in code (see unit test attached).
 {{{

 $english_text_expected = __( 'Testing', 'textdomain' );
 // returns 'Testing'

 switch_to_locale( 'de_DE' );
 $german_expected = __( 'Testing', 'textdomain' );
 // returns 'Testen'
 restore_previous_locale(); // Reset to English.

 switch_to_locale( 'de_DE' );
 $german_expected_again = __( 'Testing', 'textdomain' );
 // returns 'Testing' - No translation?
 restore_previous_locale();

 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/46230>
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