public static function check_all_users($exclude_ids = array())
{
$query = "SELECT * FROM xbt_users WHERE is_activated = 1 AND admin = 0 AND email != '" . CONTACT_EMAIL . "'";
if (!empty($excude_ids)) {
$query .= " AND uid NOT IN ('" . implode("'. '", $exclude_ids) . "')";
}
if ($results = DB::query($query)) {
$users = array();
while ($result = mysql_fetch_array($results)) {
$user = new User($result);
array_push($users, $user);
}
} else {
return false;
}
$invalid_users = array();
foreach ($users as $user) {
if (!LDAP::check_address($user->email)) {
array_push($invalid_users, $user);
}
}
return $invalid_users;
}