<?PHP
    class router {
        static public $validRoutes = array();

        static public function mapRoutes( array $routes ) {
            foreach( $routes as $route => $controller ) {
                static::$validRoutes[$route] = $controller;
            }
        }

        static public function callController() {
            $params = explode( '/', $_SERVER['REQUEST_URI'] );
            $params = array_filter( $params );

            foreach( $params as $param ) {
                if (isset( self::$validRoutes[$param] )) {
                    $controller =  self::$validRoutes[$param];
                }
            }

            if (empty( $controller )) {
                $controller = 'index';
            }

            include_once( 'controllers/'.$controller.'.php' );
            $controller::initialize( $params );
        }
    }
?>