Roller\Router::dispatch PHP Method

    public function dispatch($path)
    {
        if (!$this->hasCache) {
            foreach ($this->plugins as $p) {
                $p->beforeCompile($this);
            }
            $this->routes->compile();
            foreach ($this->plugins as $p) {
                $p->afterCompile($this);
            }
            if ($this->cache) {
                // make cache
                $this->makeCache();
            }
            // we are already in runtime, doesn't need to reload cache or
            // re-compile pattern.
            $this->hasCache = true;
        }
        $routeClass = $this->matchedRouteClass;
        if ($this->extensionSupport) {
            // function_exists('roller_dispatch')
            if ($route = roller_dispatch($this->routes->routes, $path)) {
                return new $routeClass($this, $route, $path);
            } else {
                return false;
            }
        } else {
            $server_req_method = isset($_SERVER['REQUEST_METHOD']) ? strtolower($_SERVER['REQUEST_METHOD']) : null;
            foreach ($this->routes as $route) {
                if (preg_match($route['compiled'], $path, $regs)) {
                    // if method is defined, we should check server request method
                    if ($server_req_method && isset($route['method']) && ($m = $route['method'])) {
                        /* 
                         * Which request method was used to access the page; 
                         * i.e. 'GET', 'HEAD', 'POST', 'PUT'.
                         */
                        if ($server_req_method !== $m) {
                            continue;
                        }
                    }
                    // apply variables
                    foreach ($route['variables'] as $k) {
                        if (isset($regs[$k])) {
                            $route['vars'][$k] = $regs[$k];
                        } elseif (isset($route['default'][$k])) {
                            $route['vars'][$k] = $route['default'][$k];
                        }
                    }
                    // matched!
                    return new $routeClass($this, $route, $path);
                }
            }
        }
        return false;
    }