[wp-trac] [WordPress Trac] #6590: Add has_tag function to determine if a post has a given tag

[WordPress Trac]

#6590: Add has_tag function to determine if a post has a given tag
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 Reporter:  Otto42       |       Owner:  anonymous
     Type:  enhancement  |      Status:  new      
 Priority:  normal       |   Milestone:  2.6      
Component:  Template     |     Version:           
 Severity:  normal       |    Keywords:           
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 As discussed on wp-hackers, this is a patch for a "has_tag" function. New
 Loop function which takes a tag slug, id, or name (or array of such) and
 returns true if the post has that tag, false if it doesn't. Also takes a
 null input and returns true if the post has any tag.

 Useful for theme developers to produce different things depending on tags.
 Compare to "in_category", as this is basically the same thing but for
 tags.

 Patch for trunk attached.

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Ticket URL: <http://trac.wordpress.org/ticket/6590>
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