[buddypress-trac] [BuddyPress Trac] #8873: Fatal error when the Activity Akismet history is empty (Single Activity WP Admin screen)

[buddypress-trac]

#8873: Fatal error when the Activity Akismet history is empty (Single Activity WP
Admin screen)
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 Reporter:  mystichrome   |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  11.2.0
Component:  Activity      |    Version:  1.6
 Severity:  normal        |   Keywords:
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 PS: Aaron contacted me directly to alert me about this issue
 @imath

 There's a fatal error triggered by `BP_Akismet::get_activity_history()`
 about using `usort()` with a string. I guess this case happens because we
 are not checking the `'_bp_akismet_history'` activity meta exists and
 contains an array.

 See https://buddypress.trac.wordpress.org/browser/trunk/src/bp-
 activity/classes/class-bp-akismet.php#L714

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Ticket URL: <https://buddypress.trac.wordpress.org/ticket/8873>
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