问Silex - OPTIONS方法

EN

class MyControllerCollection extends ControllerCollection
{
    /**
     * Maps an OPTIONS request to a callable.
     *
     * @param string $pattern Matched route pattern
     * @param mixed  $to      Callback that returns the response when matched
     *
     * @return Controller
     */
    public function options($pattern, $to)
    {
        return $this->match($pattern, $to)->method('OPTIONS');
    }
}

class MyApplication extends Application
{
    public function __construct()
    {
        parent::__construct();

        $app = $this;

        $this['controllers_factory'] = function () use ($app) {
            return new MyControllerCollection($app['route_factory']);
        };
    }

    /**
     * Maps an OPTIONS request to a callable.
     *
     * @param string $pattern Matched route pattern
     * @param mixed  $to      Callback that returns the response when matched
     *
     * @return Controller
     */
    public function options($pattern, $to)
    {
        return $this['controllers']->options($pattern, $to);
    }
}

$app->options('/blog/{id}', function($id) {
  // ...
});