[wp-trac] [WordPress Trac] #31319: Use first translation iso instead of by key '1'

[WordPress Trac]

#31319: Use first translation iso instead of by key '1'
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 Reporter:  barrykooij             |       Owner:  SergeyBiryukov
     Type:  defect (bug)           |      Status:  closed
 Priority:  normal                 |   Milestone:  4.2
Component:  I18N                   |     Version:  trunk
 Severity:  normal                 |  Resolution:  fixed
 Keywords:  has-patch fixed-major  |     Focuses:
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Comment (by SergeyBiryukov):

 Replying to [comment:9 dd32]:
 > Since it's only a PHP Notice, and doesn't block Language selection nor
 Installation

 It does for Hazaragi, so would be nice to fix this either way.

 Fixing the API to always return a non-empty ISO 639-1 code sounds like an
 option, but I'm not sure about repercussions for other languages.

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Ticket URL: <https://core.trac.wordpress.org/ticket/31319#comment:10>
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