Ticket #38817: 38817.diff

src/wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php

@@ -1029 +1029 @@
                         $prepared_comment['comment_author'] = $request['author_name'];
                 }
 
                 if ( isset( $request['author_email'] ) ) {
                         $prepared_comment['comment_author_email'] = $request['author_email'];
                 }
 
                 if ( isset( $request['author_url'] ) ) {
                         $prepared_comment['comment_author_url'] = $request['author_url'];
                 }
 
                 if ( isset( $request['author_ip'] ) ) {
                         $prepared_comment['comment_author_IP'] = $request['author_ip'];
                 }
 
-                if ( isset( $request['author_user_agent'] ) ) {
+                if ( !empty( $request['author_user_agent'] ) ) {
                         $prepared_comment['comment_agent'] = $request['author_user_agent'];
+                } elseif ( $request->get_header( 'user_agent' ) ) {
+                        $prepared_comment['comment_agent'] = $request->get_header( 'user_agent' );
                 }
 
                 if ( isset( $request['type'] ) ) {
                         // Comment type "comment" needs to be created as an empty string.
                         $prepared_comment['comment_type'] = 'comment' === $request['type'] ? '' : $request['type'];
                 }
 
                 if ( isset( $request['karma'] ) ) {
                         $prepared_comment['comment_karma'] = $request['karma'] ;
                 }
 
                 if ( ! empty( $request['date'] ) ) {
                         $date_data = rest_get_date_with_gmt( $request['date'] );
 
                         if ( ! empty( $date_data ) ) {