Add PHP-doc comments in new methods (routeIsExists, getRouteByName, getUri).

app/router/Router.php

@@ -64,16 +64,29 @@ class Router
         return $this->route;
     }
 
+    /**
+     * @param $name
+     * @return bool
+     */
     protected function routeIsExists($name)
     {
         return array_key_exists($name, $this->routes);
     }
 
+    /**
+     * @param $name
+     * @return Route
+     */
     protected function getRouteByName($name)
     {
         return $this->routes[$name];
     }
 
+    /**
+     * @param null $route_name
+     * @return string
+     * @throws ErrorException
+     */
     public function getUri($route_name = null)
     {
         if (is_null($route_name)) {