Invalid Configuration – yii\base\InvalidConfigException

     */
    public function __construct($config = [])
    {
        if (!empty($config)) {
            Yii::configure($this, $config);
        }
        $this->init();
    }
 
    /**
     * Initializes the object.
     * This method is invoked at the end of the constructor after the object is initialized with the
     * given configuration.

 
        $dependencies = $this->resolveDependencies($dependencies, $reflection);
        if (!$reflection->isInstantiable()) {
            throw new NotInstantiableException($reflection->name);
        }
        if (empty($config)) {
            return $reflection->newInstanceArgs($dependencies);
        }
 
        if (!empty($dependencies) && $reflection->implementsInterface('yii\base\Configurable')) {
            // set $config as the last parameter (existing one will be overwritten)
            $dependencies[count($dependencies) - 1] = $config;
            return $reflection->newInstanceArgs($dependencies);

    public function get($class, $params = [], $config = [])
    {
        if (isset($this->_singletons[$class])) {
            // singleton
            return $this->_singletons[$class];
        } elseif (!isset($this->_definitions[$class])) {
            return $this->build($class, $params, $config);
        }
 
        $definition = $this->_definitions[$class];
 
        if (is_callable($definition, true)) {
            $params = $this->resolveDependencies($this->mergeParams($class, $params));

    {
        if (is_string($type)) {
            return static::$container->get($type, $params);
        } elseif (is_array($type) && isset($type['class'])) {
            $class = $type['class'];
            unset($type['class']);
            return static::$container->get($class, $params, $type);
        } elseif (is_callable($type, true)) {
            return static::$container->invoke($type, $params);
        } elseif (is_array($type)) {
            throw new InvalidConfigException('Object configuration must be an array containing a "class" element.');
        }
 

 
        if (isset($this->_definitions[$id])) {
            $definition = $this->_definitions[$id];
            if (is_object($definition) && !$definition instanceof Closure) {
                return $this->_components[$id] = $definition;
            } else {
                return $this->_components[$id] = Yii::createObject($definition);
            }
        } elseif ($throwException) {
            throw new InvalidConfigException("Unknown component ID: $id");
        } else {
            return null;
        }

    /**
     * Returns the asset manager.
     * @return \yii\web\AssetManager the asset manager application component.
     */
    public function getAssetManager()
    {
        return $this->get('assetManager');
    }
 
    /**
     * Returns the security component.
     * @return \yii\base\Security the security application component.
     */

    /**
     * Registers the asset manager being used by this view object.
     * @return \yii\web\AssetManager the asset manager. Defaults to the "assetManager" application component.
     */
    public function getAssetManager()
    {
        return $this->_assetManager ?: Yii::$app->getAssetManager();
    }
 
    /**
     * Sets the asset manager.
     * @param \yii\web\AssetManager $value the asset manager
     */

     * @return AssetBundle the registered asset bundle instance
     * @throws InvalidConfigException if the asset bundle does not exist or a circular dependency is detected
     */
    public function registerAssetBundle($name, $position = null)
    {
        if (!isset($this->assetBundles[$name])) {
            $am = $this->getAssetManager();
            $bundle = $am->getBundle($name);
            $this->assetBundles[$name] = false;
            // register dependencies
            $pos = isset($bundle->jsOptions['position']) ? $bundle->jsOptions['position'] : null;
            foreach ($bundle->depends as $dep) {
                $this->registerAssetBundle($dep, $pos);

     * Registers this asset bundle with a view.
     * @param View $view the view to be registered with
     * @return static the registered asset bundle instance
     */
    public static function register($view)
    {
        return $view->registerAssetBundle(get_called_class());
    }
 
    /**
     * Initializes the bundle.
     * If you override this method, make sure you call the parent implementation in the last.
     */

     */
    public function __construct($config = [])
    {
        if (!empty($config)) {
            Yii::configure($this, $config);
        }
        $this->init();
    }
 
    /**
     * Initializes the object.
     * This method is invoked at the end of the constructor after the object is initialized with the
     * given configuration.

            return $reflection->newInstanceArgs($dependencies);
        }
 
        if (!empty($dependencies) && $reflection->implementsInterface('yii\base\Configurable')) {
            // set $config as the last parameter (existing one will be overwritten)
            $dependencies[count($dependencies) - 1] = $config;
            return $reflection->newInstanceArgs($dependencies);
        } else {
            $object = $reflection->newInstanceArgs($dependencies);
            foreach ($config as $name => $value) {
                $object->$name = $value;
            }
            return $object;

    public function get($class, $params = [], $config = [])
    {
        if (isset($this->_singletons[$class])) {
            // singleton
            return $this->_singletons[$class];
        } elseif (!isset($this->_definitions[$class])) {
            return $this->build($class, $params, $config);
        }
 
        $definition = $this->_definitions[$class];
 
        if (is_callable($definition, true)) {
            $params = $this->resolveDependencies($this->mergeParams($class, $params));

    {
        if (is_string($type)) {
            return static::$container->get($type, $params);
        } elseif (is_array($type) && isset($type['class'])) {
            $class = $type['class'];
            unset($type['class']);
            return static::$container->get($class, $params, $type);
        } elseif (is_callable($type, true)) {
            return static::$container->invoke($type, $params);
        } elseif (is_array($type)) {
            throw new InvalidConfigException('Object configuration must be an array containing a "class" element.');
        }
 

    {
        ob_start();
        ob_implicit_flush(false);
        try {
            /* @var $widget Widget */
            $config['class'] = get_called_class();
            $widget = Yii::createObject($config);
            $out = '';
            if ($widget->beforeRun()) {
                $result = $widget->run();
                $out = $widget->afterRun($result);
            }
        } catch (\Exception $e) {

     */
    public function renderPhpFile($_file_, $_params_ = [])
    {
        ob_start();
        ob_implicit_flush(false);
        extract($_params_, EXTR_OVERWRITE);
        require($_file_);
 
        return ob_get_clean();
    }
 
    /**
     * Renders dynamic content returned by the given PHP statements.

                    $this->renderers[$ext] = Yii::createObject($this->renderers[$ext]);
                }
                /* @var $renderer ViewRenderer */
                $renderer = $this->renderers[$ext];
                $output = $renderer->render($this, $viewFile, $params);
            } else {
                $output = $this->renderPhpFile($viewFile, $params);
            }
            $this->afterRender($viewFile, $params, $output);
        }
 
        array_pop($this->_viewFiles);
        $this->context = $oldContext;

     * @throws InvalidCallException if the view cannot be resolved.
     * @see renderFile()
     */
    public function render($view, $params = [], $context = null)
    {
        $viewFile = $this->findViewFile($view, $context);
        return $this->renderFile($viewFile, $params, $context);
    }
 
    /**
     * Finds the view file based on the given view name.
     * @param string $view the view name or the path alias of the view file. Please refer to [[render()]]
     * on how to specify this parameter.

     * These parameters will not be available in the layout.
     * @return string the rendering result.
     * @throws InvalidParamException if the view file or the layout file does not exist.
     */
    public function render($view, $params = [])
    {
        $content = $this->getView()->render($view, $params, $this);
        return $this->renderContent($content);
    }
 
    /**
     * Renders a static string by applying a layout.
     * @param string $content the static string being rendered

        $args = $this->controller->bindActionParams($this, $params);
        Yii::trace('Running action: ' . get_class($this->controller) . '::' . $this->actionMethod . '()', __METHOD__);
        if (Yii::$app->requestedParams === null) {
            Yii::$app->requestedParams = $args;
        }
 
        return call_user_func_array([$this->controller, $this->actionMethod], $args);
    }
}

        }
 
        $result = null;
 
        if ($runAction && $this->beforeAction($action)) {
            // run the action
            $result = $action->runWithParams($params);
 
            $result = $this->afterAction($action, $result);
 
            // call afterAction on modules
            foreach ($modules as $module) {
                /* @var $module Module */

        $parts = $this->createController($route);
        if (is_array($parts)) {
            /* @var $controller Controller */
            list($controller, $actionID) = $parts;
            $oldController = Yii::$app->controller;
            Yii::$app->controller = $controller;
            $result = $controller->runAction($actionID, $params);
            if ($oldController !== null) {
                Yii::$app->controller = $oldController;
            }
 
            return $result;
        }

            $params = $this->catchAll;
            unset($params[0]);
        }
        try {
            Yii::trace("Route requested: '$route'", __METHOD__);
            $this->requestedRoute = $route;
            $result = $this->runAction($route, $params);
            if ($result instanceof Response) {
                return $result;
            } else {
                $response = $this->getResponse();
                if ($result !== null) {
                    $response->data = $result;

        try {
 
            $this->state = self::STATE_BEFORE_REQUEST;
            $this->trigger(self::EVENT_BEFORE_REQUEST);
 
            $this->state = self::STATE_HANDLING_REQUEST;
            $response = $this->handleRequest($this->getRequest());
 
            $this->state = self::STATE_AFTER_REQUEST;
            $this->trigger(self::EVENT_AFTER_REQUEST);
 
            $this->state = self::STATE_SENDING_RESPONSE;
            $response->send();