Ticket #51299: 51299.2.diff

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

@@ -106 +106 @@
          *
          * @since 3.0.0
          * @since 4.4.0 The {@see 'nav_menu_item_args'} filter was added.
+         * @since x.x.x Removed redundant title attributes.
          *
          * @see Walker::start_el()
          *
@@ -169 +170 @@
 
                 $output .= $indent . '<li' . $id . $class_names . '>';
 
+                /** This filter is documented in wp-includes/post-template.php */
+                $title = apply_filters( 'the_title', $item->title, $item->ID );
+
                 $atts           = array();
-                $atts['title']  = ! empty( $item->attr_title ) ? $item->attr_title : '';
+                $atts['title']  = ( ! empty( $item->attr_title ) && trim( strtolower( $item->attr_title ) ) != trim( strtolower( $title ) ) ) ? $item->attr_title : '';
                 $atts['target'] = ! empty( $item->target ) ? $item->target : '';
                 if ( '_blank' === $item->target && empty( $item->xfn ) ) {
                         $atts['rel'] = 'noopener';
@@ -209 +213 @@
                         }
                 }
 
-                /** This filter is documented in wp-includes/post-template.php */
-                $title = apply_filters( 'the_title', $item->title, $item->ID );
-
                 /**
                  * Filters a menu item's title.
                  *