Zend\Mvc\View\Http\ExceptionStrategy::attach PHP Method

    public function attach(EventManagerInterface $events, $priority = 1)
    {
        $this->listeners[] = $events->attach(MvcEvent::EVENT_DISPATCH_ERROR, [$this, 'prepareExceptionViewModel']);
        $this->listeners[] = $events->attach(MvcEvent::EVENT_RENDER_ERROR, [$this, 'prepareExceptionViewModel']);
    }

 /**
  * {@inheritDoc}
  */
 public function attach(EventManagerInterface $events)
 {
     parent::attach($events);
     $this->listeners[] = $events->attach(MvcEvent::EVENT_ROUTE, [$this, 'checkDeactivatedUser']);
 }