router.php

<?php

/**
  * @RoutePrefix("/users")
  */
class UsersController
{
	/**
	  * @Get('/')
	  */
	public function indexAction()
	{
		echo 'Hello world'; //works perfect!!!
	}

	/**
	  * @Route('/{id:[0-9]+}', methods="GET", name="users-view")
	  */
	public function viewAction($id)
	{
		echo $id; // Don't work via '/users/100' URL. But it works perfect via /users/view/100
	}

}

$di = new Phalcon\DI\FactoryDefault();

$di['router'] = function() {

	//Use the annotations router
	$router = new \Phalcon\Mvc\Router\Annotations(false);

	$router->addResource('Users');

	return $router;
};

$router = $di['router'];

$test = array('/users', '/users/100', '/users/view/100');

foreach ($test as $uri) {

	$router->handle($uri);

	if ($router->wasMatched()) {
		echo 'Controller = ', $router->getControllerName(), '<br>';
		echo 'Action = ', $router->getActionName(), '<br>';
		echo 'Parameters = ', print_r($router->getParams(), true), '<br>';
	} else {
		echo $uri, ' was not matched', '<br>';
	}

	echo '<br>';

}