// Get rid of words that are on the ignore list.
if ($this->cleanStringCache['ignore_words_regex']) {
$words_removed = $this->cleanStringCache['ignore_words_callback']($this->cleanStringCache['ignore_words_regex'], '', $output);
// Get rid of words that are on the ignore list.
if ($this->cleanStringCache['ignore_words_regex']) {
$words_removed = $this->cleanStringCache['ignore_words_callback']($this->cleanStringCache['ignore_words_regex'], '', $output);