Zend_Pdf text wrap

gistfile1.php

    protected function wrapText($text)
    {
        $wrappedText = wordwrap($text, 110, "\n", false);
        $token = strtok($wrappedText, "\n");
        $this->_yPosition = $this->_pageHeight - 80;
        while ($token !== false) {
            $this->_page->drawText($token,
                    $this->_leftMargin,
                    $this->_yPosition);
            $token = strtok("\n");
            $this->_yPosition -= 15;
        }
    }