[wp-trac] [WordPress Trac] #4575: Add functions to return the last-modified timestamp of a category/tag

[WordPress Trac]

#4575: Add functions to return the last-modified timestamp of a category/tag
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 Reporter:  delusions                            |       Owner:
     Type:  enhancement                          |  stevenkword
 Priority:  normal                               |      Status:  assigned
Component:  Feeds                                |   Milestone:  4.9
 Severity:  normal                               |     Version:  2.2.1
 Keywords:  has-patch needs-testing needs-unit-  |  Resolution:
  tests                                          |     Focuses:  template
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Comment (by ryanshoover):

 I've updated the patch to include a few enhancements / cleanups

 * Adds a filter at the end to allow modifying the last modified date
 * Simplifies the logic for determining the last modified comment
 * Renames the function's variables for clarity

 Note that the new filter still leaves this as a breaking change from the
 current functionality. I don't see a clean way to maintain the other
 function's filters in this new function. `get_lastpostmodified()` is used
 by both `feed-rss.php` and `class-wp.php`. Any use of the original
 `get_lastpostmodified()` filters in this function risks overrunning
 modifications to `class-wp.php`.

 Any plugin author that previously used the `get_lastpostmodified` filter
 needs to update to use the `get_last_build_date` filter.

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Ticket URL: <https://core.trac.wordpress.org/ticket/4575#comment:62>
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