AdamWathan\Form\Elements\FormOpen::token PHP Method

    public function token($token)
    {
        $this->token = new Hidden('_token');
        $this->token->value($token);
        return $this;
    }

 public function open()
 {
     $open = new FormOpen();
     if ($this->hasToken()) {
         $open->token($this->csrfToken);
     }
     return $open;
 }