Symfony\Component\DomCrawler\Crawler::addContent PHP Method

    public function addContent($content, $type = null)
    {
        if (empty($type)) {
            $type = 0 === strpos($content, '<?xml') ? 'application/xml' : 'text/html';
        }
        // DOM only for HTML/XML content
        if (!preg_match('/(x|ht)ml/i', $type, $xmlMatches)) {
            return;
        }
        $charset = null;
        if (false !== ($pos = stripos($type, 'charset='))) {
            $charset = substr($type, $pos + 8);
            if (false !== ($pos = strpos($charset, ';'))) {
                $charset = substr($charset, 0, $pos);
            }
        }
        // http://www.w3.org/TR/encoding/#encodings
        // http://www.w3.org/TR/REC-xml/#NT-EncName
        if (null === $charset && preg_match('/\\<meta[^\\>]+charset *= *["\']?([a-zA-Z\\-0-9_:.]+)/i', $content, $matches)) {
            $charset = $matches[1];
        }
        if (null === $charset) {
            $charset = 'ISO-8859-1';
        }
        if ('x' === $xmlMatches[1]) {
            $this->addXmlContent($content, $charset);
        } else {
            $this->addHtmlContent($content, $charset);
        }
    }

 public function run()
 {
     $c = new Color();
     $crawler = new Crawler();
     $response = $this->client->request('GET', $this->search . '&start=' . $this->getLimit());
     $crawler->addContent((string) $response->getBody());
     $data = file_get_contents(ROOT . '/lib/results.csv');
     foreach ($crawler->filter('cite') as $url) {
         $row = ['name' => '', 'd7' => '', 'd8' => '', 'url' => ''];
         echo "Found: {$url->nodeValue}" . PHP_EOL;
         // Attempt to make a request to D.O to get details about the module.
         $res = $this->client->request('GET', $url->nodeValue);
         if ($res->getStatusCode() > 400) {
             echo $c("Unable to fetch data")->red() . PHP_EOL;
             continue;
         }
         $body = (string) $res->getBody();
         if (empty($body)) {
             echo $c('Unable to fetch body')->red() . PHP_EOL;
             continue;
         }
         $crawl = new Crawler();
         $crawl->addContent($res->getBody());
         // Add the known elements.
         $row['name'] = trim($crawl->filter('#page-subtitle')->text());
         $row['url'] = trim($url->nodeValue);
         // The help block often has information about the status to D8.
         if (count($crawl->filter('.help'))) {
             $help = $crawl->filter('.help')->text();
             if (strpos($help, 'ported to Drupal 8') > -1) {
                 $row['d8'] = 'In progress';
             }
         }
         foreach ($crawl->filter('[data-th="Version"]') as $version) {
             $version = $version->nodeValue;
             if (strpos($version, '7.x') > -1) {
                 $row['d7'] = trim($version);
                 continue;
             }
             if (strpos($version, '8.x') > -1) {
                 $row['d8'] = trim($verison);
                 continue;
             }
         }
         // This module hasn't been ported to D7 - so continue.
         if (empty($row['d7']) && empty($row['d8'])) {
             echo $c('<bg_yellow>This is a Drupal 6 module</bg_yellow>')->colorize() . PHP_EOL;
             continue;
         }
         $data .= implode(',', array_values($row)) . "\n";
         echo $c('Successfully added metadata')->green() . PHP_EOL;
     }
     $h = fopen(ROOT . '/lib/results.csv', 'w');
     fwrite($h, $data);
     // Increment the limit.
     $limit = $this->getLimit() + 10;
     echo $c('Updating the limit from <yellow>' . $this->getLimit() . '</yellow> to <yellow>' . $limit . '</yellow>')->colorize() . PHP_EOL;
     $this->setLimit($limit);
 }