[wp-trac] Re: [WordPress Trac] #4040: WXR importing duplicates categories

[WordPress Trac]

#4040: WXR importing duplicates categories
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 Reporter:  takayukister    |        Owner:  anonymous
     Type:  defect          |       Status:  new      
 Priority:  low             |    Milestone:  2.2      
Component:  Administration  |      Version:  2.2      
 Severity:  normal          |   Resolution:           
 Keywords:  has-patch       |  
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Comment (by takayukister):

 [http://trac.wordpress.org/browser/trunk/wp-admin/admin-
 db.php?rev=5184#L262 category_exists()] depends on category_nicename to
 check existence of category. And it uses sanitize_title(cat_name) to get
 the category_nicename.

 Under the example described above, sanitize_title("書評") returns
 "%e6%9b%b8%e8%a9%95" and because there's been no category with
 category_nicename "%e6%9b%b8%e8%a9%95" ever, another 書評 category
 (cat_ID:4) is created.

 My patch uses cat_name instead of category_nicename to check category
 existence.

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Ticket URL: <http://trac.wordpress.org/ticket/4040#comment:3>
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