[wp-trac] [WordPress Trac] #8619: category_name query fails for multiple-word sub-categories

[WordPress Trac]

#8619: category_name query fails for multiple-word sub-categories
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 Reporter:  filosofo  |       Owner:  anonymous                                               
     Type:  defect    |      Status:  new                                                     
 Priority:  normal    |   Milestone:  2.8                                                     
Component:  General   |     Version:  2.8                                                     
 Severity:  normal    |    Keywords:  has-patch category_name query_posts get_category_by_path
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 Suppose you have a category named "I am sub category".  Its URL looks
 something like this:

 {{{example.com/grandparent/parent/i-am-sub-category/}}}

 When you query for the sub-category using category_name, like so

 {{{query_posts(array('category_name' => 'I am sub category'));}}}

 the query calls get_category_by_path() on 'I am sub category' first with
 the default of "full match" set to true, which returns null because the
 full match would include the parent and grandparent category names, as
 above.

 By the time the query gets around to calling get_category_by_path() again,
 this time with full match set to false, it has stripped the spaces from
 it, so that it searches for 'iamsubcategory' which it won't find.

 The solution is to sanitize the category name from the start so the spaces
 are handled correctly.

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Ticket URL: <http://trac.wordpress.org/ticket/8619>
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