Zend\Mvc\View\Http\RouteNotFoundStrategy::setDisplayExceptions PHP Метод

    public function setDisplayExceptions($displayExceptions)
    {
        $this->displayExceptions = (bool) $displayExceptions;
        return $this;
    }

 /**
  * Inject strategy with configured display_exceptions flag.
  *
  * @param RouteNotFoundStrategy $strategy
  * @param array $config
  */
 private function injectDisplayExceptions(RouteNotFoundStrategy $strategy, array $config)
 {
     $flag = isset($config['display_exceptions']) ? $config['display_exceptions'] : false;
     $strategy->setDisplayExceptions($flag);
 }