/**
* Removes broken HTML and XSS from text using [HTMLPurifier](http://htmlpurifier.org/).
*
* $text = Purifier::clean($dirty_html);
*
* The original content is returned with all broken HTML and XSS removed.
*
* @param mixed text to clean, or an array to clean recursively
* @param mixed optional set of configuration options, as an array or a string denoting a set of options in the config file
* @return mixed
*/
public static function clean($dirty, $config = null)
{
if (is_array($dirty)) {
foreach ($dirty as $key => $value) {
// Recursively clean arrays
$clean[$key] = Purifier::clean($value, $config);
}
} else {
// Load HTML Purifier
$purifier = Purifier::instance();
// Clean the HTML and return it
if (is_array($config)) {
$c = HTMLPurifier_Config::inherit(Purifier::$configs['default']);
$c->loadArray($config);
$clean = $purifier->purify($dirty, $c);
} else {
if (is_string($config)) {
if (isset(Purifier::$configs[$config])) {
$c = Purifier::$configs[$config];
} else {
$c = HTMLPurifier_Config::inherit(Purifier::$configs['default']);
$c->loadArray(Config::get('purifier::config.settings.' . $config));
Purifier::$configs[$config] = $c;
}
$clean = $purifier->purify($dirty, $c);
} else {
$clean = $purifier->purify($dirty, Purifier::$configs['default']);
}
}
}
return $clean;
}
/**
* Returns the singleton instance of HTML Purifier. If no instance has
* been created, a new instance will be created.
*
* $purifier = Purifier::instance();
*
* @return \Mews\Purifier\HTMLPurifier
* @static
*/
public static function instance()
{
return \Mews\Purifier\Purifier::instance();
}
