src/EventSubscriber/Routing/CityPrefixSubscriber.php line 18

Open in your IDE?
  1. <?php
  2. /**
  3.  * Created by simpson <simpsonwork@gmail.com>
  4.  * Date: 2019-07-18
  5.  * Time: 17:05
  6.  */
  8. namespace App\EventSubscriber\Routing;
  10. use App\Event\Routing\FilterGeneratedUrlEvent;
  11. use App\Event\Routing\RoutingEvents;
  12. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  14. class CityPrefixSubscriber implements EventSubscriberInterface
  15. {
  16.     const CITY_PARAMETER = 'city';
  18.     public function ignoreCityParameter(FilterGeneratedUrlEvent $event): void
  19.     {
  20.         $url = $event->getUrl();
  21.         $routeParameters = $event->getParameters();
  23.         if (isset($routeParameters[self::CITY_PARAMETER]) && false !== $pos = strpos($url, '?')) {
  24.             $qs = substr($url, $pos + 1);
  25.             parse_str($qs, $parameters);
  26.             unset($parameters[self::CITY_PARAMETER]);
  28.             if (!empty($parameters)) {
  29.                 $url = str_replace("?$qs", '?'.http_build_query($parameters), $url);
  30.             } else {
  31.                 $url = str_replace("?$qs", '', $url);
  32.             }
  33.             $event->setUrl($url);
  34.         }
  35.     }
  37.     /**
  38.      * @inheritDoc
  39.      */
  40.     public static function getSubscribedEvents()
  41.     {
  42.         return [
  43.             RoutingEvents::POST_GENERATE => 'ignoreCityParameter',
  44.         ];
  45.     }
  46. }