PHP Router Class

<?php

class Router {
    public $defaultRoute;
    protected $url, $routes = array();

    public function __construct($url) {
        $this->url = $url;
    }

    public function dispatch($method, $url, $func) {
        array_push($this->routes, $method, 0, $url, $func);
    }

    public function match($method, $regexp, $func) {
        array_push($this->routes, $method, 1, $regexp, $func);
    }

    public function run() {
        $count = count($this->routes);
        for ($i = 0; $i < $count; $i += 4) {
            if (strtoupper($this->routes[$i]) == $_SERVER['REQUEST_METHOD']) {
                if ($this->routes[$i + 1]) {
                     if (preg_match($this->routes[$i + 2], $this->url,
                             $matches)) {
                         $func = $this->routes[$i + 3];
                         return call_user_func_array($func,
                                 array_slice($matches, 1));
                     }
                }
                else if ($this->routes[$i + 2] == $this->url) {
                    $func = $this->routes[$i + 3];
                    return $func();
                }
            }
        }
        if ($this->defaultRoute) {
            $func = $this->defaultRoute;
            $func();
        }
    }
}

?>