if ($this->notice->scope != 0 && $this->notice->scope != 1) {
$class .= ' limited-scope';
}
- if (!empty($this->notice->source)) {
- $class .= ' notice-source-'.$this->notice->source;
+ try {
+ $class .= ' notice-source-'.common_to_alphanumeric($this->notice->source);
+ } catch (Exception $e) {
+ // either source or what we filtered out was a zero-length string
}
$id_prefix = (strlen($this->id_prefix) ? $this->id_prefix . '-' : '');
$this->out->elementStart($this->item_tag, array('class' => $class,