/**
*
* @param mixed $key
* @param mixed $default
* @param int $sanitizeFilter
* @return mixed
*/
public static function params($key = null, $default = null, $sanitizeFilter = FILTER_SANITIZE_STRING)
{
if (null === $key) {
return self::$_instance->getFunction()->getParams();
}
return filter_var(self::$_instance->getFunction()->getParam($key, $default), $sanitizeFilter);
}
