[wp-trac] [WordPress Trac] #18692: wp_insert_post() enhancements

[WordPress Trac]

#18692: wp_insert_post() enhancements
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 Reporter:  sirzooro     |      Owner:
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  Awaiting Review
Component:  General      |    Version:  3.2.1
 Severity:  normal       |   Keywords:  has-patch
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 I have created enhancement for `wp_insert_post()` function. There re two
 changes:[[BR]]
 - allows to return WP_Error from `wp_insert_post_data` - in this case
 function returns that value (or 0 if param `$wp_error == false`) and do
 not continue;[[BR]]
 - filter categories, tags and other taxonomies through new filters:
 `wp_insert_post_category`, `wp_insert_post_tags` and `wp_insert_post_tax`.
 New code also checks if these filters returned WP_Error;

 These changes will allow me to implement following features in my
 [http://wordpress.org/extend/plugins/wypiekacz/ WyPiekacz] plugin:[[BR]]
 - do not create new post when it does not satisfy appropriate rules.
 Although WP code will not display that error by itself (#10480, #18266), I
 will be able to display appropriate error from plugin code (at least when
 normal editor was used). This will also help me to stop flood of automated
 post spam;[[BR]]
 - allow to review tags attached to post submitted for review - this way
 tags will be actually created when post will be published; before this
 they will be stored as post metadata. In order to do this I need to modify
 tags - unfortunately `wp_insert_post_data` filter does not allow to modify
 them (it allows read-only access to them only).

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Ticket URL: <http://core.trac.wordpress.org/ticket/18692>
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