<?php
add_action( 'init', 'my_role_modification' );
function my_role_modification() {
	$role = get_role( 'editor' );
	$role->add_cap( 'edit_theme_options' );
}

?>

As of WordPress 3.1.2, Editors do not have access to the menu editor in WordPress. The following code gives that capability to Editors. Add this code to your functions.php file.

Give Editors permission to edit menus in WordPress

wordpress

PHP