WellCommerce\Bundle\MediaBundle\Entity\Media::getExtension PHP Méthode

    public function getExtension() : string
    {
        return $this->extension;
    }

 /**
  * Returns relative path to file
  *
  * @param Media $media
  *
  * @return string
  */
 public function getRelativePath(Media $media)
 {
     return sprintf('%s/%s.%s', $media->getPath(), $media->getId(), $media->getExtension());
 }