Ticket #23231: comment.diff

wp-includes/comment.php

@@ -1730 +1730 @@
  * @return int The ID of the comment after adding.
  */
 function wp_new_comment( $commentdata ) {
+        // normalize user_ID before sending to the preprocess_comment filter
+        // this way, anything hooked to the filter won't have to do this themselves.
+        if ( isset( $commentdata['user_ID'] ) ) {
+                $commentdata['user_id'] = $commentdata['user_ID'] = (int) $commentdata['user_ID'];
+        } elseif ( isset( $commentdata['user_id'] ) ) {
+                $commentdata['user_id'] = (int) $commentdata['user_id'];
+        }
+
         /**
          * Filter a comment's data before it is sanitized and inserted into the database.
          *