public static function _xssClean(&$item, &$key)
{
$item = htmlspecialchars($item, ENT_QUOTES);
$item = preg_replace_callback('!&#((?:[0-9]+)|(?:x(?:[0-9A-F]+)));?!i', array(__CLASS__, 'decode'), $item);
// PERL
$item = preg_replace('!<([A-Z]\\w*)
(?:\\s* (?:\\w+) \\s* = \\s* (?(?=["\']) (["\'])(?:.*?\\2)+ | (?:[^\\s>]*) ) )*
\\s* (\\s/)? >!ix', '<\\1\\5>', strip_tags(html_entity_decode($item)));
self::$cleaned = $item;
}
/**
* Gets the instance of the Security class.
*
* @param callable| Closure $callback
* @return object Instance of Security
*/
public function create(Closure $callback = null)
{
if (self::$instance === null) {
self::$instance = new self();
}
if ($callback instanceof Closure) {
return $callback(self::$instance);
}
return self::$instance;
}
