Wallabag\CoreBundle\Entity\Entry::setMimetype PHP Method

    public function setMimetype($mimetype)
    {
        $this->mimetype = $mimetype;
    }

 /**
  * Fetch content using graby and hydrate given entry with results information.
  * In case we couldn't find content, we'll try to use Open Graph data.
  *
  * We can also force the content, in case of an import from the v1 for example, so the function won't
  * fetch the content from the website but rather use information given with the $content parameter.
  *
  * @param Entry  $entry   Entry to update
  * @param string $url     Url to grab content for
  * @param array  $content An array with AT LEAST keys title, html, url, language & content_type to skip the fetchContent from the url
  *
  * @return Entry
  */
 public function updateEntry(Entry $entry, $url, array $content = [])
 {
     // do we have to fetch the content or the provided one is ok?
     if (empty($content) || false === $this->validateContent($content)) {
         $content = $this->graby->fetchContent($url);
     }
     $title = $content['title'];
     if (!$title && isset($content['open_graph']['og_title'])) {
         $title = $content['open_graph']['og_title'];
     }
     $html = $content['html'];
     if (false === $html) {
         $html = '<p>Unable to retrieve readable content.</p>';
         if (isset($content['open_graph']['og_description'])) {
             $html .= '<p><i>But we found a short description: </i></p>';
             $html .= $content['open_graph']['og_description'];
         }
     }
     $entry->setUrl($content['url'] ?: $url);
     $entry->setTitle($title);
     $entry->setContent($html);
     $entry->setLanguage($content['language']);
     $entry->setMimetype($content['content_type']);
     $entry->setReadingTime(Utils::getReadingTime($html));
     $domainName = parse_url($entry->getUrl(), PHP_URL_HOST);
     if (false !== $domainName) {
         $entry->setDomainName($domainName);
     }
     if (isset($content['open_graph']['og_image'])) {
         $entry->setPreviewPicture($content['open_graph']['og_image']);
     }
     // if content is an image define as a preview too
     if (in_array($this->mimeGuesser->guess($content['content_type']), ['jpeg', 'jpg', 'gif', 'png'], true)) {
         $entry->setPreviewPicture($content['url']);
     }
     try {
         $this->tagger->tag($entry);
     } catch (\Exception $e) {
         $this->logger->error('Error while trying to automatically tag an entry.', ['entry_url' => $url, 'error_msg' => $e->getMessage()]);
     }
     return $entry;
 }