[wp-trac] [WordPress Trac] #28083: exclude_tree gets overwritten in wp_list_categories

[WordPress Trac]

#28083: exclude_tree gets overwritten in wp_list_categories
--------------------------+-----------------------------
 Reporter:  MikeHansenMe  |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Taxonomy      |    Version:
 Severity:  normal        |   Keywords:
  Focuses:                |
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 When using the function wp_list_categories and passing 'exclude_tree' the
 value gets overwritten by 'exclude' which by default is ''. This is
 because of the following lines in the function:
 {{{
 if ( true == $r['hierarchical'] ) {
         $r['exclude_tree'] = $r['exclude'];
         $r['exclude'] = '';
 }
 }}}
 Hierarchical is true by default so unless you set that to false the code
 gets ran. Unless you pass a value to 'exclude' then the default overwrites
 'exclude_tree' which may have been set.

 I have included a patch and some unit tests for the wp_list_categories
 function.

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Ticket URL: <https://core.trac.wordpress.org/ticket/28083>
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