[wp-trac] [WordPress Trac] #37825: Introduce functions to check whether there are multiple taxonomy terms

[WordPress Trac]

#37825: Introduce functions to check whether there are multiple taxonomy terms
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 Reporter:  flixos90     |      Owner:
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  Awaiting Review
Component:  Themes       |    Version:
 Severity:  normal       |   Keywords:  needs-patch
  Focuses:               |
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 We've had a function `is_multi_author()` since version 3.2.0, which is
 regularly used by themes to check if a site has multiple authors with
 published posts.

 A similar function is often needed by themes for taxonomies (mostly
 categories), for example the latest default themes have contained a
 function `*_categorized_blog()`. I think this functionality is essential
 for several themes, and we can make their lifes easier by providing these
 functions to them (especially since several theme authors don't really
 wanna mess with hooks for invalidating transients).

 Of course, for backward compatibility a theme should check whether that
 function exists, and if not, it still needs to take care of things by
 itself. However, I think this will still be a good solution long-term to
 include this functionality in WordPress Core.

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Ticket URL: <https://core.trac.wordpress.org/ticket/37825>
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