Filterus\Filter::validate PHP Method

    public function validate($var)
    {
        $filtered = $this->filter($var);
        return !is_null($filtered) && $filtered == $var;
    }

 public function validate($var)
 {
     if (is_object($var) && method_exists($var, '__toString')) {
         $var = (string) $var;
     }
     return parent::validate($var);
 }