private function HtmlAssetInliner::removeUseless in TMGMT Translator Smartling 8

Removes <link>, <meta> and <script> tags from generated page

File

src/Context/HtmlAssetInliner.php, line 226

Class

HtmlAssetInliner

Namespace

Drupal\tmgmt_smartling\Context

Code

private function removeUseless($keepjs = TRUE) {

  # fix showing up of garbage characters
  $this->html = mb_convert_encoding($this->html, 'HTML-ENTITIES', 'UTF-8');
  $tags = $this
    ->getTags('//meta | //link | //script');
  $tagsLength = $tags->length;

  # get all <link>, <meta> and <script> tags and remove them
  for ($i = 0; $i < $tagsLength; $i++) {
    $tag = $tags
      ->item($i);

    # delete only external scripts
    if (strtolower($tag->nodeName) === 'script') {
      if ($keepjs) {
        if ($tag
          ->getAttribute('src') !== '') {
          $tag->parentNode
            ->removeChild($tag);
        }
      }
      else {
        $tag->parentNode
          ->removeChild($tag);
      }
    }
    elseif (strtolower($tag->nodeName) === 'meta') {

      # keep the charset meta
      if (stripos($tag
        ->getAttribute('content'), 'charset') === FALSE) {
        $tag->parentNode
          ->removeChild($tag);
      }
    }
    else {
      $tag->parentNode
        ->removeChild($tag);
    }
  }
  $this->html = $this->dom
    ->saveHTML();
}