Ticket #39732: 39732.12.diff

src/wp-includes/comment.php

@@ -2422 +2422 @@
  * @since 2.0.0
  * @since 4.9.0 Add updating comment meta during comment update.
  * @since 5.5.0 The `$wp_error` parameter was added.
+ * @since 5.5.0 The return values for an invalid comment or post ID
+ *              were changed to false instead of 0.
  *
  * @global wpdb $wpdb WordPress database abstraction object.
  *
@@ -2439 +2441 @@
                 if ( $wp_error ) {
                         return new WP_Error( 'invalid_comment_id', __( 'Invalid comment ID.' ) );
                 } else {
-                        return 0;
+                        return false;
                 }
         }
 
@@ -2448 +2450 @@
                 if ( $wp_error ) {
                         return new WP_Error( 'invalid_post_id', __( 'Invalid post ID.' ) );
                 } else {
-                        return 0;
+                        return false;
                 }
         }