function comment_submit

Prepare a comment for submission.

File

core/modules/comment/comment.module, line 2090

Enables users to comment on published content.

Code

function comment_submit($comment) {
  if (empty($comment->date)) {
    $comment->date = 'now';
  }
  $comment->created = strtotime($comment->date);
  $comment->changed = REQUEST_TIME;

  // If the comment was posted by a registered user, assign the author's ID.
  // @todo Too fragile. Should be prepared and stored in comment_form() already.
  if (!$comment->is_anonymous && !empty($comment->name) && ($account = user_load_by_name($comment->name))) {
    $comment->uid = $account->uid;
  }
  // If the comment was posted by an anonymous user and no author name was
  // required, use "Anonymous" by default.
  if ($comment->is_anonymous && (!isset($comment->name) || $comment->name === '')) {
    $comment->name = config_get('system.core', 'anonymous');
  }

  // Validate the comment's subject. If not specified, extract from comment body.
  if (trim($comment->subject) == '') {
    // The body may be in any format, so:
    // 1) Filter it into HTML
    // 2) Strip out all HTML tags
    // 3) Convert entities back to plain-text.
    $comment_text = '';
    if (isset($comment->comment_body) && !empty($comment->comment_body[LANGUAGE_NONE][0])) {
      $comment_body = $comment->comment_body[LANGUAGE_NONE][0];
      if (isset($comment_body['format'])) {
        $comment_text = check_markup($comment_body['value'], $comment_body['format']);
      }
      else {
        $comment_text = check_plain($comment_body['value']);
      }
    }
    $comment->subject = truncate_utf8(trim(decode_entities(strip_tags($comment_text))), 29, TRUE);
    // Edge cases where the comment body is populated only by HTML tags will
    // require a default subject.
    if (trim($comment->subject) == '') {
      $comment->subject = t('(No subject)');
    }
  }
  return $comment;
}