Create custom router url

to create friendly url to must using custom router . This code is really useful for mvc framework like zend, codeignitor,.. This is the code:

echo '
';
$data = Array (
            "/book/:id/:category/:keyname" => "/book/12345/php/this-is-a-test-keyname",
            "/book-:id/:category/:keyname" => "/book-12345/php/this-is-a-test-keyname",
            "/book/:id_:category~:keyname" => "/book/12345_php~this-is-a-test-keyname",
    );


    foreach ($data as $rule => $uri) {
            $reRule = preg_replace('/:([a-z]+)/', '(?P<\1>[^/]+)', $rule);
            $reRule = str_replace('/', '\/', $reRule);

            preg_match('/' . $reRule .'/', $uri, $matches);
            print_r($matches);
            echo '
';
    }
    
    echo '
';