Wordpress 4.5.3

[autoinstalls/wordpress.git] / wp-includes / class-wp-walker.php

diff --git a/wp-includes/class-wp-walker.php b/wp-includes/class-wp-walker.php
index e4890ae5c6666d619fa12fbd77310f421bf77f7d..ee68a205e96aea9ee93b70ee0f21638ab75ef7fc 100644 (file)
--- a/wp-includes/class-wp-walker.php
+++ b/wp-includes/class-wp-walker.php
@@ -215,7 +215,7 @@ class Walker {
                $top_level_elements = array();
                $children_elements  = array();
                foreach ( $elements as $e) {
-                       if ( 0 == $e->$parent_field )
+                       if ( empty( $e->$parent_field ) )
                                $top_level_elements[] = $e;
                        else
                                $children_elements[ $e->$parent_field ][] = $e;