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- 28.08.2024
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ResolveServiceSubscribersPass.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\Component\DependencyInjection\Compiler;
13
14 use Psr\Container\ContainerInterface;
15 use Symfony\Component\DependencyInjection\Definition;
16 use Symfony\Component\DependencyInjection\Reference;
17
18 /**
19 * Compiler pass to inject their service locator to service subscribers.
20 *
21 * @author Nicolas Grekas <p@tchwork.com>
22 */
23 class ResolveServiceSubscribersPass extends AbstractRecursivePass
24 {
25 private $serviceLocator;
26
27 protected function processValue($value, $isRoot = false)
28 {
29 if ($value instanceof Reference && $this->serviceLocator && ContainerInterface::class === $this->container->normalizeId($value)) {
30 return new Reference($this->serviceLocator);
31 }
32
33 if (!$value instanceof Definition) {
34 return parent::processValue($value, $isRoot);
35 }
36
37 $serviceLocator = $this->serviceLocator;
38 $this->serviceLocator = null;
39
40 if ($value->hasTag('container.service_subscriber.locator')) {
41 $this->serviceLocator = $value->getTag('container.service_subscriber.locator')[0]['id'];
42 $value->clearTag('container.service_subscriber.locator');
43 }
44
45 try {
46 return parent::processValue($value);
47 } finally {
48 $this->serviceLocator = $serviceLocator;
49 }
50 }
51 }
52