Verzeichnisstruktur phpBB-3.2.0
- Veröffentlicht
- 06.01.2017
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SandboxedPrint.php
01 <?php
02
03 /*
04 * This file is part of Twig.
05 *
06 * (c) 2010 Fabien Potencier
07 *
08 * For the full copyright and license information, please view the LICENSE
09 * file that was distributed with this source code.
10 */
11
12 /**
13 * Twig_Node_SandboxedPrint adds a check for the __toString() method
14 * when the variable is an object and the sandbox is activated.
15 *
16 * When there is a simple Print statement, like {{ article }},
17 * and if the sandbox is enabled, we need to check that the __toString()
18 * method is allowed if 'article' is an object.
19 *
20 * @author Fabien Potencier <fabien@symfony.com>
21 */
22 class Twig_Node_SandboxedPrint extends Twig_Node_Print
23 {
24 public function compile(Twig_Compiler $compiler)
25 {
26 $compiler
27 ->addDebugInfo($this)
28 ->write('echo $this->env->getExtension(\'sandbox\')->ensureToStringAllowed(')
29 ->subcompile($this->getNode('expr'))
30 ->raw(");\n")
31 ;
32 }
33
34 /**
35 * Removes node filters.
36 *
37 * This is mostly needed when another visitor adds filters (like the escaper one).
38 *
39 * @param Twig_Node $node A Node
40 *
41 * @return Twig_Node
42 */
43 protected function removeNodeFilter($node)
44 {
45 if ($node instanceof Twig_Node_Expression_Filter) {
46 return $this->removeNodeFilter($node->getNode('node'));
47 }
48
49 return $node;
50 }
51 }
52