Ticket #14208: custom-menu-item-unslashed.14208.diff

wp-includes/nav-menu-template.php

@@ -349 +349 @@
 
                 // if the menu item corresponds to the currently-requested URL
                 } elseif ( 'custom' == $menu_item->object ) {
-                        $current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
-                        $item_url = strpos( $menu_item->url, '#' ) ? substr( $menu_item->url, 0, strpos( $menu_item->url, '#' ) ) : $menu_item->url;
-                        $_indexless_current = preg_replace( '/index.php$/', '', $current_url );
+                        $current_url = untrailingslashit( ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
+                        $item_url = untrailingslashit( strpos( $menu_item->url, '#' ) ? substr( $menu_item->url, 0, strpos( $menu_item->url, '#' ) ) : $menu_item->url );
+                        $_indexless_current = untrailingslashit( preg_replace( '/index.php$/', '', $current_url ) );
                         
                         if ( in_array( $item_url, array( $current_url, $_indexless_current ) ) ) {
                                 $classes[] = 'current-menu-item';