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<?php
/**
* @package dompdf
* @link http://www.dompdf.com/
* @author Benj Carson <benjcarson@digitaljunkies.ca>
* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
* @version $Id: php_evaluator.cls.php 448 2011-11-13 13:00:03Z fabien.menager $
*/
/**
* Executes inline PHP code during the rendering process
*
* @access private
* @package dompdf
*/
class PHP_Evaluator {
/**
* @var Canvas
*/
protected $_canvas;
function __construct(Canvas $canvas) {
$this->_canvas = $canvas;
}
function evaluate($code, $vars = array()) {
if ( !DOMPDF_ENABLE_PHP )
return;
// Set up some variables for the inline code
$pdf = $this->_canvas;
$PAGE_NUM = $pdf->get_page_number();
$PAGE_COUNT = $pdf->get_page_count();
// Override those variables if passed in
foreach ($vars as $k => $v) {
$$k = $v;
}
//$code = html_entity_decode($code); // @todo uncomment this when tested
eval(utf8_decode($code));
}
function render($frame) {
$this->evaluate($frame->get_node()->nodeValue);
}
}