Ticket #14757: 14757.3.diff

.php

@@ -237 +237 @@
                 global $wpdb;
 
                 $authors = array();
-                $results = $wpdb->get_results( "SELECT DISTINCT post_author FROM $wpdb->posts" );
+            $results = get_users('blog_id='.$GLOBALS['blog_id']);
                 foreach ( (array) $results as $result )
-                        $authors[] = get_userdata( $result->post_author );
+                        $authors[] = get_userdata( $result->ID );
 
                 $authors = array_filter( $authors );
-
+                
                 foreach( $authors as $author ) {
-                        echo "\t<wp:author>";
-                        echo '<wp:author_id>' . $author->ID . '</wp:author_id>';
-                        echo '<wp:author_login>' . $author->user_login . '</wp:author_login>';
-                        echo '<wp:author_email>' . $author->user_email . '</wp:author_email>';
-                        echo '<wp:author_display_name>' . wxr_cdata( $author->display_name ) . '</wp:author_display_name>';
-                        echo '<wp:author_first_name>' . wxr_cdata( $author->user_firstname ) . '</wp:author_first_name>';
-                        echo '<wp:author_last_name>' . wxr_cdata( $author->user_lastname ) . '</wp:author_last_name>';
-                        echo "</wp:author>\n";  
+        
+                        if( isset( $author->wp_capabilities['editor'] )|| isset( $author->wp_capabilities['author'] ) || isset( $author->wp_capabilities['administrator'] ) || isset( $author->wp_capabilities['contributor'] ) )       {
+                                echo "\t<wp:author>";
+                                echo '<wp:author_id>' . $author->ID . '</wp:author_id>';
+                                echo '<wp:author_login>' . $author->user_login . '</wp:author_login>';
+                                echo '<wp:author_email>' . $author->user_email . '</wp:author_email>';
+                                echo '<wp:author_display_name>' . wxr_cdata( $author->display_name ) . '</wp:author_display_name>';
+                                echo '<wp:author_first_name>' . wxr_cdata( $author->user_firstname ) . '</wp:author_first_name>';
+                                echo '<wp:author_last_name>' . wxr_cdata( $author->user_lastname ) . '</wp:author_last_name>';
+                                echo "</wp:author>\n";
+                        }
                 }
         }