tFPDF::_putstream PHP Method

    function _putstream($s)
    {
        $this->_out('stream');
        $this->_out($s);
        $this->_out('endstream');
    }

 function _putstream($s)
 {
     if ($this->encrypted) {
         $s = RC4($this->_objectkey($this->n), $s);
     }
     parent::_putstream($s);
 }