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?? Attribute
?? CHANGELOG.md(157 B)
?? ContainerAwareInterface.php(476 B)
?? LICENSE(1.04 KB)
?? README.md(330 B)
?? ResetInterface.php(1.01 KB)
?? ServiceCollectionInterface.php(626 B)
?? ServiceLocatorTrait.php(3.52 KB)
?? ServiceMethodsSubscriberTrait.php(4.08 KB)
?? ServiceProviderInterface.php(1.35 KB)
?? ServiceSubscriberInterface.php(2.69 KB)
?? ServiceSubscriberTrait.php(3.16 KB)
?? Test
?? composer.json(1.12 KB)

Editing: ServiceMethodsSubscriberTrait.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Contracts\Service;

use Psr\Container\ContainerInterface;
use Symfony\Contracts\Service\Attribute\Required;
use Symfony\Contracts\Service\Attribute\SubscribedService;

/**
 * Implementation of ServiceSubscriberInterface that determines subscribed services
 * from methods that have the #[SubscribedService] attribute.
 *
 * Service ids are available as "ClassName::methodName" so that the implementation
 * of subscriber methods can be just `return $this->container->get(__METHOD__);`.
 *
 * @author Kevin Bond <kevinbond@gmail.com>
 */
trait ServiceMethodsSubscriberTrait
{
    protected ContainerInterface $container;

public static function getSubscribedServices(): array
    {
        $services = method_exists(get_parent_class(self::class) ?: '', __FUNCTION__) ? parent::getSubscribedServices() : [];

$reflectors = [
            ...(new \ReflectionClass(self::class))->getMethods(),
            ...(new \ReflectionClass(self::class))->getProperties(),
        ];

foreach ($reflectors as $reflector) {
            if (self::class !== $reflector->class) {
                continue;
            }

if (!$reflectionAttribute = $reflector->getAttributes(SubscribedService::class)[0] ?? null) {
                continue;
            }

if ($reflector instanceof \ReflectionMethod) {
                if ($reflector->isStatic() || $reflector->isAbstract() || $reflector->isGenerator() || $reflector->isInternal() || $reflector->getNumberOfRequiredParameters()) {
                    throw new \LogicException(\sprintf('Cannot use "%s" on method "%s::%s()" (can only be used on non-static, non-abstract methods with no parameters).', SubscribedService::class, self::class, $reflector->name));
                }

if (!$autowireType = $reflector->getReturnType()) {
                    throw new \LogicException(\sprintf('Cannot use "%s" on methods without a return type in "%s::%s()".', SubscribedService::class, $reflector->name, self::class));
                }

$defaultKey = self::class.'::'.$reflector->name;
            } elseif ($reflector instanceof \ReflectionProperty) {
                if (\PHP_VERSION_ID < 80400 || !$reflector->hasHook(\PropertyHookType::Get)) {
                    throw new \LogicException(\sprintf('Cannot use "%s" on property "%s::$%s" (can only be used on properties with a get hook).', SubscribedService::class, self::class, $reflector->name));
                }

if (!$autowireType = $reflector->getType()) {
                    throw new \LogicException(\sprintf('Cannot use "%s" on properties without a type in "%s::$%s".', SubscribedService::class, $reflector->name, self::class));
                }

$defaultKey = self::class.'::$'.$reflector->name.'::get';
            } else {
                throw new \LogicException('Unexpected reflector: '.get_debug_type($reflector));
            }

/* @var SubscribedService $attribute */
            $attribute = $reflectionAttribute->newInstance();
            $attribute->key ??= $defaultKey;
            $attribute->type ??= $autowireType instanceof \ReflectionNamedType ? $autowireType->getName() : (string) $autowireType;
            $attribute->nullable = $attribute->nullable ?: $autowireType->allowsNull();

if ($attribute->attributes) {
                $services[] = $attribute;
            } else {
                $services[$attribute->key] = ($attribute->nullable ? '?' : '').$attribute->type;
            }
        }

return $services;
    }

#[Required]
    public function setContainer(ContainerInterface $container): ?ContainerInterface
    {
        $ret = null;
        if (method_exists(get_parent_class(self::class) ?: '', __FUNCTION__)) {
            $ret = parent::setContainer($container);
        }

$this->container = $container;

return $ret;
    }
}

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Editing: ServiceMethodsSubscriberTrait.php

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