private static function getMethod()
{
if (empty($_GET['m'])) {
$method = 'index';
$param = array();
} else {
$param = explode('/', $_GET['m']);
$method = self::$method = array_shift($param);
preg_match('~^[a-z0-9]+$~i', $method) or trigger_error('url:m', E_USER_ERROR);
}
if (input::isPost()) {
$method .= '_post';
} else {
$method .= '_get';
}
return array($method, $param);
}