[wp-trac] [WordPress Trac] #22220: XML-RPC wp.editPost clears post categories

[WordPress Trac]

#22220: XML-RPC wp.editPost clears post categories
-----------------------------+--------------------------
 Reporter:  yousefed         |       Type:  defect (bug)
   Status:  new              |   Priority:  normal
Milestone:  Awaiting Review  |  Component:  General
  Version:                   |   Severity:  normal
 Keywords:                   |
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 According to http://codex.wordpress.org/XML-
 RPC_WordPress_API/Posts#wp.editPost

 "Only needs to contain fields that you wish to modify; all other fields
 will retain their current values."

 When I only post custom_fields to update the custom fields of a post
 (custom post type by the way, didn't check for normal posts) the
 categories of the post are removed (now "Unassigned").

 I think the source of the problem might be the following part in
 wp_insert_post:


 {{{
 // Make sure we set a valid category.
         if ( empty($post_category) || 0 == count($post_category) ||
 !is_array($post_category) ) {
                 // 'post' requires at least one category.
                 if ( 'post' == $post_type && 'auto-draft' != $post_status
 )
                         $post_category = array(
 get_option('default_category') );
                 else
                         $post_category = array();
         }
 }}}

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Ticket URL: <http://core.trac.wordpress.org/ticket/22220>
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