Flow\Helper::url_encode PHP Method

    public static function url_encode($obj = null)
    {
        return urlencode(strval($obj));
    }

 public function test_url_encode()
 {
     $this->assertEquals('foo+bar', Helper::url_encode('foo bar'));
     $this->assertEquals('%23this', Helper::url_encode('#this'));
     $this->assertEquals('2%3E1', Helper::url_encode('2>1'));
 }