/**
* Validates submitted setting values before they get saved to the database.
*
* @since 1.0
* @param array $settings
* @return array
*/
public function sanitize($settings)
{
$new_settings = null;
if (isset($settings['referrer_spam_list']) && $settings['referrer_spam_list'] != '') {
$list = $settings['referrer_spam_list'];
if (!is_array($list)) {
$list = array_unique(array_map('trim', preg_split("/[\n,]+/", str_replace("\r", "", $list))));
}
$new_settings = array('referrer_spam_list' => $list);
}
self::$settings = $new_settings;
WPBRS_Controller_Blocker::filter_referrers_htaccess();
return $new_settings;
}
