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- 27.04.2026
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AssetExtension.php
01 <?php
02
03 /*
04 * This file is part of the Symfony package.
05 *
06 * (c) Fabien Potencier <fabien@symfony.com>
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 Symfony\Bridge\Twig\Extension;
13
14 use Symfony\Component\Asset\Packages;
15 use Twig\Extension\AbstractExtension;
16 use Twig\TwigFunction;
17
18 /**
19 * Twig extension for the Symfony Asset component.
20 *
21 * @author Fabien Potencier <fabien@symfony.com>
22 */
23 class AssetExtension extends AbstractExtension
24 {
25 private $packages;
26
27 public function __construct(Packages $packages)
28 {
29 $this->packages = $packages;
30 }
31
32 /**
33 * {@inheritdoc}
34 */
35 public function getFunctions()
36 {
37 return [
38 new TwigFunction('asset', [$this, 'getAssetUrl']),
39 new TwigFunction('asset_version', [$this, 'getAssetVersion']),
40 ];
41 }
42
43 /**
44 * Returns the public url/path of an asset.
45 *
46 * If the package used to generate the path is an instance of
47 * UrlPackage, you will always get a URL and not a path.
48 *
49 * @param string $path A public path
50 * @param string $packageName The name of the asset package to use
51 *
52 * @return string The public path of the asset
53 */
54 public function getAssetUrl($path, $packageName = null)
55 {
56 return $this->packages->getUrl($path, $packageName);
57 }
58
59 /**
60 * Returns the version of an asset.
61 *
62 * @param string $path A public path
63 * @param string $packageName The name of the asset package to use
64 *
65 * @return string The asset version
66 */
67 public function getAssetVersion($path, $packageName = null)
68 {
69 return $this->packages->getVersion($path, $packageName);
70 }
71
72 /**
73 * Returns the name of the extension.
74 *
75 * @return string The extension name
76 */
77 public function getName()
78 {
79 return 'asset';
80 }
81 }
82