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<?php
/**
* @package dompdf
* @link http://dompdf.github.com/
* @author Benj Carson <benjcarson@digitaljunkies.ca>
* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
*/
/**
* 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, $vars = array()) {
if ( !$this->_canvas->get_dompdf()->get_option("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($code); // @todo uncomment this when tested
eval($code);
}
function render(Frame $frame) {
$this->evaluate($frame->get_node()->nodeValue);
}
}
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