tagged_users in wordpress

gistfile1.aw

<?php 

    $tagged_once = get_users('meta_value=ngh-blog');
    $tagged_both = get_users('meta_value=ngh-ndh');
    $tagged_users = array_merge($tagged_once, $tagged_both);
    foreach ($tagged_users as $user) {
        $current_user = $user->ID;
        if(get_user_meta($current_user,'first_name', true)) {
            echo '<p>';
            echo '<span class="member-name">' . get_user_meta($current_user,'first_name', true) . ' ' . get_user_meta($current_user,'last_name', true) . '</span>' ;
            echo '<br><span class="member-description">' . get_user_meta($current_user,'description', true) . '</span>';
            echo '</p>';
        }
    }
    
?>