comment_token_info

comment_token_info()

function comment_token_info() {
  $type = array(
    'name' => t('Comments'),
    'description' => t('Tokens for comments posted on the site.'),
    'needs-data' => 'comment',
  );

  $tokens = [];
  // Provide a integration for each entity type except comment.
  foreach (\Drupal::entityTypeManager()->getDefinitions() as $entity_type_id => $entity_type) {
    if ($entity_type_id == 'comment' || !$entity_type->isSubclassOf(ContentEntityInterface::class)) {
      continue;
    }

    if (\Drupal::service('comment.manager')->getFields($entity_type_id)) {
      // Get the correct token type.
      $token_type = ($entity_type_id == 'taxonomy_term') ? 'term' : $entity_type_id;

      // @todo Make this work per field. See https://www.drupal.org/node/2031903.
      $tokens[$token_type]['comment-count'] = [
        'name' => t("Comment count"),
        'description' => t("The number of comments posted on an entity."),
      ];
      $tokens[$token_type]['comment-count-new'] = [
        'name' => t("New comment count"),
        'description' => t("The number of comments posted on an entity since the reader last viewed it."),
      ];
    }
  }

  // Core comment tokens
  $comment['cid'] = array(
    'name' => t("Comment ID"),
    'description' => t("The unique ID of the comment."),
  );
  $comment['hostname'] = array(
    'name' => t("IP Address"),
    'description' => t("The IP address of the computer the comment was posted from."),
  );
  $comment['mail'] = array(
    'name' => t("Email address"),
    'description' => t("The email address left by the comment author."),
  );
  $comment['homepage'] = array(
    'name' => t("Home page"),
    'description' => t("The home page URL left by the comment author."),
  );
  $comment['title'] = array(
    'name' => t("Title"),
    'description' => t("The title of the comment."),
  );
  $comment['body'] = array(
    'name' => t("Content"),
    'description' => t("The formatted content of the comment itself."),
  );
  $comment['langcode'] = array(
    'name' => t('Language code'),
    'description' => t('The language code of the language the comment is written in.'),
  );
  $comment['url'] = array(
    'name' => t("URL"),
    'description' => t("The URL of the comment."),
  );
  $comment['edit-url'] = array(
    'name' => t("Edit URL"),
    'description' => t("The URL of the comment's edit page."),
  );

  // Chained tokens for comments
  $comment['created'] = array(
    'name' => t("Date created"),
    'description' => t("The date the comment was posted."),
    'type' => 'date',
  );
  $comment['changed'] = array(
    'name' => t("Date changed"),
    'description' => t("The date the comment was most recently updated."),
    'type' => 'date',
  );
  $comment['parent'] = array(
    'name' => t("Parent"),
    'description' => t("The comment's parent, if comment threading is active."),
    'type' => 'comment',
  );
  $comment['entity'] = array(
    'name' => t("Entity"),
    'description' => t("The entity the comment was posted to."),
    'type' => 'entity',
  );
  $comment['author'] = array(
    'name' => t("Author"),
    'description' => t("The author name of the comment."),
    'type' => 'user',
  );

  return array(
    'types' => array('comment' => $type),
    'tokens' => array(
      'comment' => $comment,
    ) + $tokens,
  );
}