[wp-trac] [WordPress Trac] #29564: wp_get_themes() returns empty array to Network-Activated Plugin code

[WordPress Trac]

#29564: wp_get_themes() returns empty array to Network-Activated Plugin code
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 Reporter:  adiant        |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Themes        |    Version:  4.0
 Severity:  normal        |   Keywords:
  Focuses:                |
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 Function wp_get_themes() returns an array of Themes when called within a
 plugin, except in one situation:  when the plugin is Network Activated and
 the function is called in "open code", not in an add_action or add_filter
 function.

 In this situation, an empty array is returned.

 There are no issues when a plugin is Site Activated in a Network or
 Activated on a non-Network.

 Although I just found this problem now, while using Version 4.0, I have
 also installed 3.9.2 and found it there, as well.

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Ticket URL: <https://core.trac.wordpress.org/ticket/29564>
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