Replace the Wordpress “Howdy" greeting

//Replace 'Howdy' greeting from Wordpress header - By https://bizweb.biz
function replace_howdy( $wp_admin_bar ) {
$my_account=$wp_admin_bar->get_node('my-account');
$newtitle = str_replace( 'Howdy,', 'Logged in as', $my_account->title );
$wp_admin_bar->add_node( array(
'id' => 'my-account',
'title' => $newtitle,
) );
}
add_filter( 'admin_bar_menu', 'replace_howdy',25 );
//End replace 'Howdy' greeting from Wordpress header - By https://bizweb.biz