[wp-trac] [WordPress Trac] #22526: Changing category doesn't invalidate cache

[WordPress Trac]

#22526: Changing category doesn't invalidate cache
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 Reporter:  Whissi                             |       Owner:
     Type:  defect (bug)                       |  wonderboymusic
 Priority:  normal                             |      Status:  reopened
Component:  Cache API                          |   Milestone:  3.9
 Severity:  normal                             |     Version:  3.4.2
 Keywords:  has-patch needs-docs dev-feedback  |  Resolution:
                                               |     Focuses:
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Comment (by kovshenin):

 Sorry, re add vs set, I was only referring to the
 `get_taxonomy_last_changed()` function. You already check `$last_changed`.
 If that's false, then the value is not in cache, because `microtime()` can
 not return false, so you don't really need to delete.

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Ticket URL: <https://core.trac.wordpress.org/ticket/22526#comment:14>
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