function _putinfo()
{
$this->_out('/Producer ' . $this->_textstring('tFPDF ' . tFPDF_VERSION));
if (!empty($this->title)) {
$this->_out('/Title ' . $this->_textstring($this->title));
}
if (!empty($this->subject)) {
$this->_out('/Subject ' . $this->_textstring($this->subject));
}
if (!empty($this->author)) {
$this->_out('/Author ' . $this->_textstring($this->author));
}
if (!empty($this->keywords)) {
$this->_out('/Keywords ' . $this->_textstring($this->keywords));
}
if (!empty($this->creator)) {
$this->_out('/Creator ' . $this->_textstring($this->creator));
}
$this->_out('/CreationDate ' . $this->_textstring('D:' . @date('YmdHis')));
}