Column::__construct PHP Method

        public function __construct()
        {
        }

 public function __construct($name, $label, $url, $options = array())
 {
     $options['formatter'] = array($this, 'formatLink');
     $this->url = $url;
     $this->idProperty = $options['idProperty'] ?: 'id';
     parent::__construct($name, $label, $options);
 }