Filterus\Filters\Ints::filter PHP Method

    public function filter($var)
    {
        if (!is_numeric($var)) {
            return null;
        }
        $var = (int) $var;
        if ($this->options['min'] > $var) {
            return $this->options['min'];
        } elseif ($this->options['max'] < $var) {
            return $this->options['max'];
        }
        return $var;
    }