File Content: EnumSubscriber.php <?php declare(strict_types=1); namespace JMS\Serializer\EventDispatcher\Subscriber; use JMS\Serializer\EventDispatcher\EventSubscriberInterface; use JMS\Serializer\EventDispatcher\PreSerializeEvent; final class EnumSubscriber implements EventSubscriberInterface { public function onPreSerializeEnum(PreSerializeEvent $event): void { $type = $event->getType(); if (isset($type['name']) && ('enum' === $type['name'] || !is_a($type['name'], \UnitEnum::class, true))) { return; } $object = $event->getObject(); $params = [get_class($object), $object instanceof \BackedEnum ? 'value' : 'name']; $event->setType('enum', $params); } /** * {@inheritdoc} */ public static function getSubscribedEvents() { return [ ['event' => 'serializer.pre_serialize', 'method' => 'onPreSerializeEnum', 'interface' => \UnitEnum::class], ]; } } Submit