getMediaType() публичный Метод

Returns the IANA media type of this asset
public getMediaType ( ) : string
Результат string
 /**
  * Update the resource on an asset.
  *
  * @param AssetInterface $asset
  * @param PersistentResource $resource
  * @param array $options
  * @throws InvalidArgumentValueException
  * @return void
  */
 public function updateAssetResourceAction(AssetInterface $asset, PersistentResource $resource, array $options = [])
 {
     $sourceMediaType = MediaTypes::parseMediaType($asset->getMediaType());
     $replacementMediaType = MediaTypes::parseMediaType($resource->getMediaType());
     // Prevent replacement of image, audio and video by a different mimetype because of possible rendering issues.
     if (in_array($sourceMediaType['type'], ['image', 'audio', 'video']) && $sourceMediaType['type'] !== $replacementMediaType['type']) {
         $this->addFlashMessage('Resources of type "%s" can only be replaced by a similar resource. Got type "%s"', '', Message::SEVERITY_WARNING, [$sourceMediaType['type'], $resource->getMediaType()], 1462308179);
         $this->redirect('index');
     }
     parent::updateAssetResourceAction($asset, $resource, $options);
 }