Change WP Howdy Text

change-howdy.php

<?php
/* ------------------------------------------------------------------ */
// Change Howdy
// http://www.wpbeginner.com/wp-tutorials/how-to-change-the-howdy-text-in-wordpress-3-3-admin-bar/
add_action( 'admin_bar_menu', 'wp_admin_bar_my_custom_account_menu', 11 );

function wp_admin_bar_my_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 );
$howdy = sprintf( __('Welcome, %1$s'), $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,
),
) );

}
}
?>