public function onError(EventInterface $event)
{
if (!isset($this->handlers[$this->current])) {
throw new RuntimeException("{$this->current} is not supported. Add it use addHandler({$this->current}, <className>) func.");
}
if (!$event->getException() instanceof Exception) {
return $event;
}
$whoops = new Run();
$whoops->pushHandler($this->handlers[$this->current]);
$whoops->pushHandler(function ($exception, $inspector, $run) use($event) {
$run->sendHttpCode($exception->getCode());
});
$whoops->register();
throw $event->getException();
}
