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[github/wallabag/wallabag.git] / vendor / twig / twig / lib / Twig / Function.php
1 <?php
2
3 /*
4 * This file is part of Twig.
5 *
6 * (c) 2010 Fabien Potencier
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11
12 /**
13 * Represents a template function.
14 *
15 * Use Twig_SimpleFunction instead.
16 *
17 * @author Fabien Potencier <fabien@symfony.com>
18 * @deprecated since 1.12 (to be removed in 2.0)
19 */
20 abstract class Twig_Function implements Twig_FunctionInterface, Twig_FunctionCallableInterface
21 {
22 protected $options;
23 protected $arguments = array();
24
25 public function __construct(array $options = array())
26 {
27 $this->options = array_merge(array(
28 'needs_environment' => false,
29 'needs_context' => false,
30 'callable' => null,
31 ), $options);
32 }
33
34 public function setArguments($arguments)
35 {
36 $this->arguments = $arguments;
37 }
38
39 public function getArguments()
40 {
41 return $this->arguments;
42 }
43
44 public function needsEnvironment()
45 {
46 return $this->options['needs_environment'];
47 }
48
49 public function needsContext()
50 {
51 return $this->options['needs_context'];
52 }
53
54 public function getSafe(Twig_Node $functionArgs)
55 {
56 if (isset($this->options['is_safe'])) {
57 return $this->options['is_safe'];
58 }
59
60 if (isset($this->options['is_safe_callback'])) {
61 return call_user_func($this->options['is_safe_callback'], $functionArgs);
62 }
63
64 return array();
65 }
66
67 public function getCallable()
68 {
69 return $this->options['callable'];
70 }
71 }