Ticket #14746: 14746.6.diff

wp-includes/taxonomy.php

@@ -71 +71 @@
                 'show_ui' => false,
                 '_builtin' => true,
         ) ) ;
+
+        register_taxonomy( 'post_format', array('post', 'page', 'attachment'), array(
+                'hierarchical' => false,
+                'labels' => array(
+                        'name' => '',
+                        'singular_name' => '',
+                ),
+                'query_var' => false,
+                'rewrite' => false,
+                'show_ui' => false,
+                '_builtin' => true,
+                'show_in_nav_menus' => false,
+        ) ) ;
 }
 add_action( 'init', 'create_initial_taxonomies', 0 ); // highest priority
 

wp-includes/post.php

@@ -471 +471 @@
 }
 
 /**
+ * Retrieve the format for a post
+ *
+ * @param int|object $post A post
+ *
+ * @return mixed The format if successful. False if no format is set.  WP_Error if errors.
+ */
+function get_post_format( $post ) {
+        $post = get_post($post);
+
+        $format = wp_get_object_terms( $post->ID, 'post_format', array('orderby' => 'none', 'fields' => 'names') );
+
+        if ( is_wp_error($format) )
+                return $format;
+
+        if ( empty($format) )
+                return false;
+
+        return ( str_replace('post-format-', '', $format[0]) );
+}
+
+/**
+ * Assign a format to a post
+ *
+ * @param int|object $post The post for which to assign a format
+ * @param string $format  A format to assign.
+ * @return mixed WP_Error on error. Array of affected term IDs on success.
+ */
+function set_post_format( $post, $format ) {
+        $post = get_post($post);
+
+        if ( empty($post) )
+                return new WP_Error('invalid_post', __('Invalid post'));
+
+        $format = sanitize_key($format);
+
+        return wp_set_post_terms($post->ID, array('post-format-' . $format), 'post_format');
+}
+
+/**
  * Retrieve the post status based on the Post ID.
  *
  * If the post ID is of an attachment, then the parent post status will be given