Ticket #12431: preprocess-comment-meta-r13514.patch

comment.php

@@ -1265 +1265 @@
         $commentdata['comment_approved'] = wp_allow_comment($commentdata);
 
         $comment_ID = wp_insert_comment($commentdata);
+        
+        // If a filter provided metadata, store it now that we know the comment ID
+        if ( isset( $commentdata['comment_meta'] ) && is_array( $commentdata['comment_meta'] ) ) {
+                foreach ( $commentdata['comment_meta'] as $meta_key => $meta_value ) {
+                        add_comment_meta($comment_ID, $meta_key, $meta_value, true);
+                }
+        }
 
         do_action('comment_post', $comment_ID, $commentdata['comment_approved']);