public static function setUserBanState($userName, $banState)
{
if ($banState != self::USER_BAN_NONE) {
self::$bannedUsers[strtolower($userName)] = $banState;
} else {
unset(self::$bannedUsers[strtolower($userName)]);
}
$list = [];
foreach (self::$bannedUsers as $user => $banState) {
$list[] = $user . "\t" . $banState;
}
TextHelper::putSimpleList(Config::$bannedUsersListPath, $list);
}