[wp-trac] [WordPress Trac] #36126: lastBuildDate in comment feed may not be empty

[WordPress Trac]

#36126: lastBuildDate in comment feed may not be empty
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 Reporter:  Cybr          |       Owner:  stevenkword
     Type:  defect (bug)  |      Status:  assigned
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Feeds         |     Version:  4.4.2
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by stevenkword):

 Steps to reproduce:
 1. Enable pretty permalinks
 2. Move all comments to the trash
 3. Visit domain.com/comments/feed/

 I have confirmed that this is a valid bug report, but am a little bit on
 the fence as to how to address the problem. A simple solution would be to
 have the date fall back to the last published posts, preventing an empty
 string from ever appearing in the feed.  However, I'm worried that by
 doing so, we would be introducing unexpected behavior out of
 `get_lastcommentmodified()`.

 I'd like to revisit #4575 since it would address this issue via the
 introduction of a new method, `get_last_build_date`.

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Ticket URL: <https://core.trac.wordpress.org/ticket/36126#comment:9>
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