Cakephp-Named-Parameters.php

<?php
//url /hobbies/10/roma
Router::connect(
    'hobbies/:id/:city',
    array(
        'controller' => 'hobbies',
        'action' => 'search'
    ),
    array(
        'pass' => array('id', 'city'),
        'id' => '[0-9]+',
    )
);

//url /hobbies/roma/10
 Router::connect(
    'hobbies/:city/:id',
    array(
        'controller' => 'hobbies',
        'action' => 'search'
    ),
    array(
        'pass' => array('id', 'city'),
        'id' => '[0-9]+',
    )
);

// public function search($id, $city) ....