/**
* Registers a function to be called on auth session timeout
* This function will be called when the user's session times out from
* inactivity. It might be used to reshow a login screen.
*
* @param mixed $handler function or an array of class=>method
*
* @return null
*/
public static function registerTimeoutHandler($handler)
{
if (is_callable($handler)) {
self::$_timeoutHandler = $handler;
} else {
Nexista_Error::init('Auth Timeout Handler Error', NX_ERROR_FATAL);
}
}
