public function OpenGraphMeta::harvestImagesFromNode in Open Graph meta tags 7.2

Harvest all images from the given node.

Return value

array(array('title' => , 'alt' => , 'url' =>))

File

./opengraph_meta.common.inc, line 27

Class

OpenGraphMeta

Code

public function harvestImagesFromNode($node) {

  // extract image fields
  $ret = $this
    ->extractImageFields((array) $node);

  // extract all images from body content
  $body = $this
    ->getNodeBody($node);
  if (!empty($body)) {
    libxml_use_internal_errors(TRUE);

    // turn off libxml errors for now
    $doc = new DOMDocument();
    $doc
      ->loadHTML($body);
    $list = $doc
      ->getElementsByTagName('img');
    for ($i = 0; $list->length > $i; ++$i) {
      $item = $list
        ->item($i);
      if ($item
        ->hasAttribute('src')) {
        $url = $item
          ->getAttribute('src');
        if (!empty($url)) {
          $thumb_url = image_style_url($this->thumbnailStyle, $url);
          $ret[$url] = array(
            'title' => $url,
            'alt' => $url,
            'url' => $thumb_url,
          );
        }
      }
    }
    libxml_use_internal_errors(FALSE);

    // turn libxml errors back on
  }
  return $ret;
}