[wp-trac] [WordPress Trac] #47546: The language used for the `lang` attribute isn't validated before being used

[WordPress Trac]

#47546: The language used for the `lang` attribute isn't validated before being
used
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 Reporter:  johnbillion              |       Owner:  (none)
     Type:  defect (bug)             |      Status:  new
 Priority:  normal                   |   Milestone:  Awaiting Review
Component:  I18N                     |     Version:
 Severity:  normal                   |  Resolution:
 Keywords:  has-patch needs-testing  |     Focuses:
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Changes (by johnbillion):

 * keywords:  has-patch => has-patch needs-testing


Comment:

 Thanks for the patch @krynes.

 Is there a performance overhead with calling `get_available_languages()`?

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Ticket URL: <https://core.trac.wordpress.org/ticket/47546#comment:2>
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