Turns the WordPress Menus and Widgets links in the admin menu into top-level menu items.

README.md

Move Menus & Widgets

WordPress Snippet

move-menus-widgets.php

<?php

function ccd_move_menu_items() {

    global $submenu, $menu;

    if ( isset( $submenu['themes.php'] ) ) {

        foreach ( $submenu['themes.php'] as $key => $item ) {

            if ( $item[2] === 'nav-menus.php' ) {
                unset($submenu['themes.php'][$key] );
            }

			if ( $item[2] === 'widgets.php' ) {
                unset( $submenu['themes.php'][$key] );
            }
        }
    }

    $user = wp_get_current_user();
    if ( in_array( 'editor', $user->roles ) ) {
        unset( $menu[60] );
    }

    add_menu_page(
        __( 'Menus' ),
        __( 'Menus' ),
        'delete_others_pages',
        'nav-menus.php',
        '',
        'dashicons-list-view',
        61
    );

    add_menu_page(
        __( 'Widgets' ),
        __( 'Widgets' ),
        'delete_others_pages',
        'widgets.php',
        '',
        'dashicons-welcome-widgets-menus',
        62
    );

}
add_action( 'admin_menu', 'ccd_move_menu_items' );

function ccd_menu_parent_file( $parent_file ) {

    global $current_screen;

    if ( $current_screen->base == 'nav-menus' ) {
        $parent_file = 'nav-menus.php';
    }

	if ( $current_screen->base == 'widgets' ) {
        $parent_file = 'widgets.php';
    }

    return $parent_file;

}
add_filter( 'parent_file', 'ccd_menu_parent_file' );

function ccd_has_cap( $caps, $cap, $args, $user ) {

    $url = $_SERVER['REQUEST_URI'];

    if ( strpos( $url, 'nav-menus.php' ) !== false && in_array( 'edit_theme_options', $cap ) && in_array( 'editor', $user->roles ) ) {
        $caps['edit_theme_options'] = true;
    }

	if ( strpos( $url, 'widgets.php' ) !== false && in_array( 'edit_theme_options', $cap ) && in_array( 'editor', $user->roles ) ) {
        $caps['edit_theme_options'] = true;
    }

    return $caps;

}
add_filter( 'user_has_cap', 'ccd_has_cap', 20, 4 );