static function purify($dirty_html)
{
if (!isset(self::$_purifier)) {
require_once MODPATH . "purifier/vendor/HTMLPurifier/HTMLPurifier.auto.php";
$config = HTMLPurifier_Config::createDefault();
foreach (Kohana::config("purifier") as $category => $key_value) {
foreach ($key_value as $key => $value) {
$config->set("{$category}.{$key}", $value);
}
}
self::$_purifier = new HTMLPurifier($config);
}
return self::$_purifier->purify($dirty_html);
}
/**
* Purify the string, removing any potentially malicious or unsafe HTML / JavaScript.
*/
private static function _purify_for_html($dirty_html)
{
if (method_exists("purifier", "purify")) {
return purifier::purify($dirty_html);
} else {
return self::_escape_for_html($dirty_html);
}
}