public static function updateUserCapabilities($id_user, $selected_caps, $capabilities)
{
if ($id_user && is_array($selected_caps)) {
$user = new WP_User($id_user);
foreach ($capabilities as $key => $cap) {
if (in_array($key, $selected_caps)) {
/* Add */
$user->add_cap($key);
} else {
/* Del */
$user->remove_cap($key);
}
}
}
}