[wp-trac] [WordPress Trac] #40114: load_plugin_textdomain() no back compatibility

[WordPress Trac]

#40114: load_plugin_textdomain() no back compatibility
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 Reporter:  Tkama           |      Owner:
     Type:  defect (bug)    |     Status:  new
 Priority:  normal          |  Milestone:  Awaiting Review
Component:  Administration  |    Version:  4.7
 Severity:  normal          |   Keywords:
  Focuses:                  |
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 `load_plugin_textdomain()` uses `get_user_locale()` function if
 `is_admin()===true`, but `get_user_locale()` introduced in WP 4.7. And
 what with back compatibility?..

 So, if user have Wordpress less then 4.7 and any plugin has function
 `load_plugin_textdomain()` in admin area - user get PHP fatal error - use
 undefined function...

 Is it ok?

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Ticket URL: <https://core.trac.wordpress.org/ticket/40114>
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