public function run()
{
if (($exception = Yii::$app->getErrorHandler()->exception) === null) {
// action has been invoked not from error handler, but by direct route, so we display '404 Not Found'
$exception = new HttpException(404, Yii::t('yii', 'Page not found.'));
}
if ($exception instanceof HttpException) {
$code = $exception->statusCode;
} else {
$code = $exception->getCode();
}
if ($exception instanceof Exception) {
$name = $exception->getName();
} else {
$name = $this->defaultName ?: Yii::t('yii', 'Error');
}
if ($code) {
$name .= " (#{$code})";
}
if ($exception instanceof UserException) {
$message = $exception->getMessage();
} else {
$message = $this->defaultMessage ?: Yii::t('yii', 'An internal server error occurred.');
}
if (Yii::$app->getRequest()->getIsAjax()) {
return "{$name}: {$message}";
} else {
return $this->controller->render($this->view ?: $this->id, ['name' => $name, 'message' => $message, 'exception' => $exception]);
}
}
