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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
* @category Piwik
* @package Piwik
*/
/**
* HTML Purifier class wrapper.
*
* @package Piwik
*/
class Piwik_HTMLPurifier
{
private static $instance = null;
/**
* Returns the singleton HTMLPurifier or a mock object
*
* @return HTMLPurifier|Piwik_HTMLPurifier
*/
public static function getInstance()
{
if (self::$instance == null) {
if (file_exists(PIWIK_INCLUDE_PATH . '/libs/HTMLPurifier.php')) {
if (!class_exists('HTMLPurifier_Bootstrap', false)) {
HTMLPurifier_Bootstrap::registerAutoload();
}
$config = HTMLPurifier_Config::createDefault();
$config->set('Cache.SerializerPath', PIWIK_USER_PATH . '/tmp/purifier');
self::$instance = new HTMLPurifier($config);
} else {
$c = __CLASS__;
self::$instance = new $c();
}
}
return self::$instance;
}
public function purify($html, $config = null)
{
return $html;
}
}
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