Customize Wordpress Admin Toolbar

custom-wp-toolbar.php

<?php
// Customize Admin toolbar if you do desiced to keep it around...
function change_toolbar($wp_toolbar) {
        $wp_toolbar->remove_node('comments');
	$wp_toolbar->add_node(array(
		'id' => 'myhelp',
		'title' => 'Help',
		'meta' => array('target' => 'help')
	));
	$wp_toolbar->add_node(array(
		'id' => 'mysupport',
		'title' => 'Email Support Team',
		'parent' => 'myhelp',
		'href' => 'mailto:myemailaddress@mywebsite.com?subject='.get_bloginfo('name').'%20Support%20Request'
	));
}
add_action('admin_bar_menu', 'change_toolbar', 999);

// Remove toolbar menu items
function my_admin_bar() {
    global $wp_admin_bar;
    $wp_admin_bar->remove_menu('wp-logo');
    $wp_admin_bar->remove_menu('about');
    $wp_admin_bar->remove_menu('wporg');
    $wp_admin_bar->remove_menu('documentation');
    $wp_admin_bar->remove_menu('support-forums');
    $wp_admin_bar->remove_menu('feedback');
    $wp_admin_bar->remove_menu('customize');
    $wp_admin_bar->remove_menu('themes');
}
add_action( 'wp_before_admin_bar_render', 'my_admin_bar' );

//Change the "Howdy" Text in admin bar
function wp_admin_bar_integrity_custom_account_menu( $wp_admin_bar ) {
	$user_id = get_current_user_id();
	$current_user = wp_get_current_user();
	$profile_url = get_edit_profile_url( $user_id );

	if ( 0 != $user_id ) {
		/* Add the "My Account" menu */
		$avatar = get_avatar( $user_id, 28 );
		$howdy = sprintf( __('Hello - %1$s' , 'themeName'), $current_user->display_name );
		$class = empty( $avatar ) ? '' : 'with-avatar';

		$wp_admin_bar->add_menu( array(
			'id' => 'my-account',
			'parent' => 'top-secondary',
			'title' => $howdy . $avatar,
			'href' => $profile_url,
			'meta' => array(
			'class' => $class,
			),
		) );
	}
}

add_action( 'admin_bar_menu', 'wp_admin_bar_integrity_custom_account_menu', 11 );
?>