Ticket #47720: 47720.diff

src/wp-includes/class-walker-nav-menu.php

@@ -203 +203 @@
 
                 $attributes = '';
                 foreach ( $atts as $attr => $value ) {
-                        if ( ! empty( $value ) ) {
+                    if ( isset( $value ) ) {
+
                                 $value       = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
                                 $attributes .= ' ' . $attr . '="' . $value . '"';
                         }