tFPDF::_puttrailer PHP Method

    function _puttrailer()
    {
        $this->_out('/Size ' . ($this->n + 1));
        $this->_out('/Root ' . $this->n . ' 0 R');
        $this->_out('/Info ' . ($this->n - 1) . ' 0 R');
    }

 function _puttrailer()
 {
     parent::_puttrailer();
     if ($this->encrypted) {
         $this->_out('/Encrypt ' . $this->enc_obj_id . ' 0 R');
         $this->_out('/ID [()()]');
     }
 }