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PhpEvaluator.php
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<?php /** * @package dompdf * @link https://github.com/dompdf/dompdf * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License */ namespace Dompdf; /** * 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, $vars = []) { if (!$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 Frame $frame */ public function render(Frame $frame) { $this->evaluate($frame->get_node()->nodeValue); } }
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