Valitron\Validator::data PHP Method

    public function data()
    {
        return $this->_fields;
    }

 public function testOptionalFieldFilter()
 {
     $v = new Validator(array('foo' => 'bar', 'bar' => 'baz'), array('foo'));
     $this->assertEquals($v->data(), array('foo' => 'bar'));
 }