This document is for a version of CakePHP that is no longer supported. Please upgrade to a newer release!
Router can be used to parse urls into arrays containing indexes for the controller, action, and any parameters, and the opposite: to convert url arrays (eg. array('controller'=>'posts', 'action'=>'index')) to string urls.
Read more about ways to configure the Router here: https://book.cakephp.org/view/945/Routes-Configuration
Router also include other utility methods for dealing with urls.