[wp-trac] [WordPress Trac] #23800: Filter Comment Blacklist, to delete duplicated terms

[WordPress Trac]

#23800: Filter Comment Blacklist, to delete duplicated terms
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 Reporter:  shadowhck                   |       Owner:
     Type:  enhancement                 |      Status:  new
 Priority:  normal                      |   Milestone:  Awaiting Review
Component:  Comments                    |     Version:
 Severity:  normal                      |  Resolution:
 Keywords:  good-first-bug needs-patch  |     Focuses:
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Comment (by SergeyBiryukov):

 The solution might be similar to [22255] (`explode()`, `array_filter()` &
 `array_unique()`, `implode()`).

 This should be applied to "Comment Moderation" list as well for
 consistency.

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Ticket URL: <https://core.trac.wordpress.org/ticket/23800#comment:3>
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