[wp-trac] [WordPress Trac] #39571: Add missing `@param` type in `wp_cache_get_last_changed` DocBlock

[WordPress Trac]

#39571: Add missing `@param` type in `wp_cache_get_last_changed` DocBlock
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 Reporter:  jeremyfelt                |       Owner:
     Type:  defect (bug)              |      Status:  new
 Priority:  normal                    |   Milestone:  Future Release
Component:  Cache API                 |     Version:  4.7
 Severity:  normal                    |  Resolution:
 Keywords:  good-first-bug has-patch  |     Focuses:  docs
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Comment (by Soean):

 [attachment:39571.2.patch] just adds the missing `@param` type - string.

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Ticket URL: <https://core.trac.wordpress.org/ticket/39571#comment:3>
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