[wp-trac] [WordPress Trac] #35439: Prevent (re-)loading of textdomain if already loaded

[WordPress Trac]

#35439: Prevent (re-)loading of textdomain if already loaded
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 Reporter:  jrf           |       Owner:  ocean90
     Type:  defect (bug)  |      Status:  accepted
 Priority:  normal        |   Milestone:  4.5
Component:  Plugins       |     Version:
 Severity:  normal        |  Resolution:
 Keywords:  has-patch     |     Focuses:  performance
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Comment (by ocean90):

 Even though `is_textdomain_loaded()` has some issues, see #35442, I'm fine
 with the change. `WP_Theme` is doing the same already and I haven't heard
 of any issues.

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Ticket URL: <https://core.trac.wordpress.org/ticket/35439#comment:3>
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