public function OpenGraphMeta::render_data in Open Graph meta tags 7

Same name and namespace in other branches

1. 6 opengraph_meta.common.inc \OpenGraphMeta::render_data()

Render the meta tag data for the given node.

File

./opengraph_meta.common.inc, line 245

Class

OpenGraphMeta

Code

public function render_data(&$node, $opengraph_data) {

  // fallback values in case no values set.
  $allfields = $this
    ->get_og_tag_defaults($node, TRUE);
  foreach ($allfields as $field => $_d) {

    // already written this meta tag to output?
    if (array_key_exists($field, $this->tags_already_output)) {
      $this
        ->warn(t("Already output og:%s", array(
        '%s' => $field,
      )));
      continue;
    }
    $v = !empty($opengraph_data[$field]) ? $opengraph_data[$field] : $_d;
    if (!empty($v)) {
      switch ($field) {
        case self::IMAGE:
          $v = url(ltrim($v, '/'), array(
            'absolute' => TRUE,
          ));
          break;
        case self::TITLE:
        case self::DESCRIPTION:
        case self::STREET_ADDRESS:
        case self::LOCALITY:
        case self::REGION:
        case self::COUNTRY_NAME:
          $v = htmlspecialchars(htmlspecialchars_decode($v));
          break;
        case self::LATITUDE:
        case self::LONGITUDE:
          $v = floatval($v);
          break;
      }

      // allow other people to alter this value
      $v = OpenGraphMetaDrupalLayer::invoke_filter('og_tag_render_alter', $v, array(
        $node,
        $field,
      ));
      $this->render_obj
        ->add_meta('og:' . $field, $v);
      $this->tags_already_output[$field] = true;
    }

    // if value available for field
  }

  // for each field
}