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

    public function setExtension(string $extension)
    {
        $this->extension = $extension;
    }

 public function create() : MediaInterface
 {
     $media = new Media();
     $media->setSize(0);
     $media->setName('');
     $media->setMime('');
     $media->setExtension('');
     $media->setPath('');
     return $media;
 }