cando entro a
http://localhost/silex/web/hello
obtengo este error
Not Found
The requested URL /silex/web/hello was not found on this server.
en ..htaccess tengo esto
RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php [QSA,L]