[wp-trac] [WordPress Trac] #20438: Custom Post Types with Post Format support aren't registered against post_format taxonomy

[WordPress Trac]

#20438: Custom Post Types with Post Format support aren't registered against
post_format taxonomy
--------------------------+-----------------------------
 Reporter:  batmoo        |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:
 Severity:  normal        |   Keywords:
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 When a custom post type adds support for {{{post-formats}}}, this doesn't
 actually register the {{{post_format}}} taxonomy for the post_type.

 Here's a quick test:

 {{{
 add_action( 'init', function() {
         register_post_type( 'not-post', array( 'supports' => 'post-
 formats' ) );
         global $wp_taxonomies;
         var_dump( 'post supports post_format:', in_array( 'post',
 $wp_taxonomies[ 'post_format' ]->object_type ) );
         var_dump( 'not-post supports post_format:', in_array( 'not-post',
 $wp_taxonomies[ 'post_format' ]->object_type ) );
 } );
 }}}

 The {{{post_format}}} taxonomy doesn't get returned when
 {{{get_object_taxonomies}}} is called for the custom post type and one
 side-effect of this is that the {{{post_format_relationships}}} cache does
 not get flushed by {{{clean_object_term_cache}}} leading to stale values
 when a post format is changed.

 (The {{{post}}} post_type is immune to this because core registers the
 {{{post_format}}} taxonomy with it.)

 When a post_type adds support for post-formats, an explicit association
 should be made between the post_type and the {{{post_format}}} taxonomy.

-- 
Ticket URL: <http://core.trac.wordpress.org/ticket/20438>
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