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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 */ namespace Dompdf;
use Dompdf\Frame;
/** * Executes inline PHP code during the rendering process * * @package dompdf */ class PhpEvaluator {
/** * @var Canvas */ protected $_canvas;
/** * PhpEvaluator constructor. * @param Canvas $canvas */ public function __construct(Canvas $canvas) { $this->_canvas = $canvas; }
/** * @param $code * @param array $vars */ public function evaluate($code, $vars = array()) { if (!$this->_canvas->get_dompdf()->getOptions()->getIsPhpEnabled()) { return; }
// Set up some variables for the inline code $pdf = $this->_canvas; $fontMetrics = $pdf->get_dompdf()->getFontMetrics(); $PAGE_NUM = $pdf->get_page_number(); $PAGE_COUNT = $pdf->get_page_count();
// Override those variables if passed in foreach ($vars as $k => $v) { $$k = $v; }
eval($code); }
/** * @param \Dompdf\Frame $frame */ public function render(Frame $frame) { $this->evaluate($frame->get_node()->nodeValue); } }
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