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- 28.08.2024
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ArrayLoader.php
01 <?php
02
03 /*
04 * This file is part of Twig.
05 *
06 * (c) 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 namespace Twig\Loader;
13
14 use Twig\Error\LoaderError;
15 use Twig\Source;
16
17 /**
18 * Loads a template from an array.
19 *
20 * When using this loader with a cache mechanism, you should know that a new cache
21 * key is generated each time a template content "changes" (the cache key being the
22 * source code of the template). If you don't want to see your cache grows out of
23 * control, you need to take care of clearing the old cache file by yourself.
24 *
25 * This loader should only be used for unit testing.
26 *
27 * @author Fabien Potencier <fabien@symfony.com>
28 */
29 final class ArrayLoader implements LoaderInterface, ExistsLoaderInterface, SourceContextLoaderInterface
30 {
31 private $templates = [];
32
33 /**
34 * @param array $templates An array of templates (keys are the names, and values are the source code)
35 */
36 public function __construct(array $templates = [])
37 {
38 $this->templates = $templates;
39 }
40
41 /**
42 * Adds or overrides a template.
43 *
44 * @param string $name The template name
45 * @param string $template The template source
46 */
47 public function setTemplate($name, $template)
48 {
49 $this->templates[$name] = $template;
50 }
51
52 public function getSourceContext($name)
53 {
54 $name = (string) $name;
55 if (!isset($this->templates[$name])) {
56 throw new LoaderError(sprintf('Template "%s" is not defined.', $name));
57 }
58
59 return new Source($this->templates[$name], $name);
60 }
61
62 public function exists($name)
63 {
64 return isset($this->templates[$name]);
65 }
66
67 public function getCacheKey($name)
68 {
69 if (!isset($this->templates[$name])) {
70 throw new LoaderError(sprintf('Template "%s" is not defined.', $name));
71 }
72
73 return $name.':'.$this->templates[$name];
74 }
75
76 public function isFresh($name, $time)
77 {
78 if (!isset($this->templates[$name])) {
79 throw new LoaderError(sprintf('Template "%s" is not defined.', $name));
80 }
81
82 return true;
83 }
84 }
85
86 class_alias('Twig\Loader\ArrayLoader', 'Twig_Loader_Array');
87