<?php

add_action( 'admin_bar_menu', 'change_site_name', 999 );
function change_site_name( $wp_admin_bar ) {
    if( ! is_super_admin() ){
        $wp_admin_bar->remove_node( 'site-name' );

        $user_ID = get_current_user_id();
        $user_info = get_userdata($user_ID);
        switch_to_blog($user_info->primary_blog);
        $href = get_bloginfo('url');

        $args = array(
		'id'    => 'site-name',
		'title' => get_bloginfo('name'),
		'href'  => $href
	);
        restore_current_blog();
        $wp_admin_bar->add_node( $args );

        $wp_admin_bar->remove_node( 'dashboard' );
        $args = array(
                'id'    => 'dashboard',
		'title' => 'Dashboard',
		'href'  => $href . '/wp-admin',
                'parent' => 'site-name'
        );
        $wp_admin_bar->add_node( $args );

        $args = array(
                'id'    => 'themes',
		'title' => 'Themes',
		'href'  => $href . '/wp-admin/themes.php',
                'parent' => 'site-name'
        );
        $wp_admin_bar->add_node( $args );

        $args = array(
                'id'    => 'customize',
		'title' => 'Customize',
		'href'  => $href . '/customize.php?url=' . $href,
                'parent' => 'site-name'
        );
        $wp_admin_bar->add_node( $args );

        $args = array(
                'id'    => 'widgets',
		'title' => 'Widgets',
		'href'  => $href . '/wp-admin/widgets.php',
                'parent' => 'site-name'
        );
        $wp_admin_bar->add_node( $args );

        $args = array(
                'id'    => 'widgets',
		'title' => 'Menus',
		'href'  => $href . '/wp-admin/nav-menus.php',
                'parent' => 'site-name'
        );
        $wp_admin_bar->add_node( $args );

        $args = array(
                'id'    => 'custom-bg',
		'title' => 'Background',
		'href'  => $href . '/wp-admin/themes.php?page=custom-background',
                'parent' => 'site-name'
        );
        $wp_admin_bar->add_node( $args );

        $args = array(
                'id'    => 'custom-header',
		'title' => 'Header',
		'href'  => $href . '/wp-admin/themes.php?page=custom-header',
                'parent' => 'site-name'
        );
        $wp_admin_bar->add_node( $args );
    }
}