Just define the route as like below in your routes.php
file.
Router::connect(
'/results/:val',
array(
'controller' => 'Post',
'action' => 'results',
),
array(
'pass' => array('val')
)
);
You can set the params like the below in order to generate the link in the way you want.
echo Router::url(array(
'controller' => 'Post',
'action' => 'results',
'val' => 'real',
'ext' => 'html',
'?' => array('x' => '1', 'y' => '0')
));
Which displays: results/real.html?x=1&y=0