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processValue example

final class AliasDeprecatedPublicServicesPass extends AbstractRecursivePass
{
    private array $aliases = [];

    protected function processValue(mixed $value, bool $isRoot = false): mixed
    {
        if ($value instanceof Reference && isset($this->aliases[$id = (string) $value])) {
            return new Reference($this->aliases[$id], $value->getInvalidBehavior());
        }

        return parent::processValue($value, $isRoot);
    }

    public function process(ContainerBuilder $container): void
    {
        foreach ($container->findTaggedServiceIds('container.private') as $id => $tags) {
            if (null === $package = $tags[0]['package'] ?? null) {
                throw new InvalidArgumentException(sprintf('The "package" attribute is mandatory for the "container.private" tag on the "%s" service.', $id));
            }

            if (null === $version = $tags[0]['version'] ?? null) {
                throw new InvalidArgumentException(sprintf('The "version" attribute is mandatory for the "container.private" tag on the "%s" service.', $id));
            }

if ($value instanceof Reference && ContainerBuilder::IGNORE_ON_UNINITIALIZED_REFERENCE !== $value->getInvalidBehavior() && $this->container->hasDefinition($id = (string) $value)) {
            $definition = $this->container->getDefinition($id);

            if ($definition->isDeprecated() || $definition->hasTag('container.hot_path')) {
                return $value;
            }

            $definition->addTag('container.hot_path');

            if (isset($this->resolvedIds[$id])) {
                parent::processValue($definition, false);
            }

            return $value;
        }

        return parent::processValue($value, $isRoot);
    }
}

protected function processValue(mixed $value, bool $isRoot = false): mixed
    {
        if ($value instanceof Definition && \is_array($factory = $value->getFactory()) && null === $factory[0]) {
            if (null === $class = $value->getClass()) {
                throw new RuntimeException(sprintf('The "%s" service is defined to be created by a factory, but is missing the factory class. Did you forget to define the factory or service class?', $this->currentId));
            }

            $factory[0] = $class;
            $value->setFactory($factory);
        }

        return parent::processValue($value, $isRoot);
    }
}

use Symfony\Contracts\Service\Attribute\Required;

/** * Looks for definitions with autowiring enabled and registers their corresponding "#[Required]" methods as setters. * * @author Nicolas Grekas <p@tchwork.com> */
class AutowireRequiredMethodsPass extends AbstractRecursivePass
{
    protected function processValue(mixed $value, bool $isRoot = false): mixed
    {
        $value = parent::processValue($value, $isRoot);

        if (!$value instanceof Definition || !$value->isAutowired() || $value->isAbstract() || !$value->getClass()) {
            return $value;
        }
        if (!$reflectionClass = $this->container->getReflectionClass($value->getClass(), false)) {
            return $value;
        }

        $alreadyCalledMethods = [];
        $withers = [];

/** * @return void */
    public function process(ContainerBuilder $container)
    {
        $this->container = $container;

        try {
            foreach ($container->getDefinitions() as $id => $definition) {
                if ($definition->isPublic() && !$definition->isPrivate() && !isset($this->resolvedIds[$id])) {
                    $this->resolvedIds[$id] = true;
                    $this->processValue($definition, true);
                }
            }

            foreach ($container->getAliases() as $alias) {
                if ($alias->isPublic() && !$alias->isPrivate() && !isset($this->resolvedIds[$id = (string) $alias]) && $container->hasDefinition($id)) {
                    $this->resolvedIds[$id] = true;
                    $this->processValue($container->getDefinition($id), true);
                }
            }
        } finally {
            $this->resolvedIds = [];

throw new RuntimeException(reset($errors));
            }
        } finally {
            $this->erroredDefinitions = [];
            $this->sourceReferences = [];
        }
    }

    protected function processValue(mixed $value, bool $isRoot = false): mixed
    {
        if ($value instanceof ArgumentInterface) {
            parent::processValue($value->getValues());

            return $value;
        }

        if ($value instanceof Reference && $this->currentId !== $targetId = (string) $value) {
            if (ContainerInterface::RUNTIME_EXCEPTION_ON_INVALID_REFERENCE === $value->getInvalidBehavior()) {
                $this->sourceReferences[$targetId][$this->currentId] ??= true;
            } else {
                $this->sourceReferences[$targetId][$this->currentId] = false;
            }

/** * Looks for definitions with autowiring enabled and registers their corresponding "#[Required]" methods as setters. * * @author Nicolas Grekas <p@tchwork.com> */
class AutowireRequiredMethodsPass extends AbstractRecursivePass
{
    protected bool $skipScalars = true;

    protected function processValue(mixed $value, bool $isRoot = false): mixed
    {
        $value = parent::processValue($value, $isRoot);

        if (!$value instanceof Definition || !$value->isAutowired() || $value->isAbstract() || !$value->getClass()) {
            return $value;
        }
        if (!$reflectionClass = $this->container->getReflectionClass($value->getClass(), false)) {
            return $value;
        }

        $alreadyCalledMethods = [];
        $withers = [];

$this->currentId = $id;

            if ($aliasId !== $defId = $this->getDefinitionId($aliasId, $container)) {
                $container->setAlias($id, $defId)->setPublic($alias->isPublic());
            }
        }
    }

    protected function processValue(mixed $value, bool $isRoot = false): mixed
    {
        if (!$value instanceof Reference) {
            return parent::processValue($value, $isRoot);
        }

        $defId = $this->getDefinitionId($id = (string) $value, $this->container);

        return $defId !== $id ? new Reference($defId, $value->getInvalidBehavior()) : $value;
    }

    private function getDefinitionId(string $id, ContainerBuilder $container): string
    {
        if (!$container->hasAlias($id)) {
            return $id;
        }

        if ($value instanceof Definition) {
            $changes = $value->getChanges();
            if (isset($changes['class'])) {
                $value->setClass($this->container->resolveEnvPlaceholders($value->getClass(), true));
            }
            if (isset($changes['file'])) {
                $value->setFile($this->container->resolveEnvPlaceholders($value->getFile(), true));
            }
        }

        $value = parent::processValue($value, $isRoot);

        if ($value && \is_array($value) && !$isRoot) {
            $value = array_combine($this->container->resolveEnvPlaceholders(array_keys($value), true), $value);
        }

        return $value;
    }
}

$aliases = $container->getAliases();

            foreach ($aliases as $id => $alias) {
                if ($alias->isPublic()) {
                    $this->connectedIds[] = (string) $aliases[$id];
                }
            }

            foreach ($container->getDefinitions() as $id => $definition) {
                if ($definition->isPublic()) {
                    $connectedIds[$id] = true;
                    $this->processValue($definition);
                }
            }

            while ($this->connectedIds) {
                $ids = $this->connectedIds;
                $this->connectedIds = [];
                foreach ($ids as $id) {
                    if (!isset($connectedIds[$id]) && $container->hasDefinition($id)) {
                        $connectedIds[$id] = true;
                        $this->processValue($container->getDefinition($id));
                    }
                }

private bool $throwExceptions;

    public function __construct(bool $throwExceptions = true)
    {
        $this->throwExceptions = $throwExceptions;
    }

    protected function processValue(mixed $value, bool $isRoot = false): mixed
    {
        if (!$value instanceof Definition) {
            return parent::processValue($value, $isRoot);
        }

        $i = 0;
        $hasNamedArgs = false;
        foreach ($value->getArguments() as $k => $v) {
            if (preg_match('/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*$/', $k)) {
                $hasNamedArgs = true;
                continue;
            }

            if ($k !== $i++) {

        if (\is_string($factory) && 1 === substr_count($factory, ':')) {
            $factoryParts = explode(':', $factory);

            throw new InvalidArgumentException(sprintf('Invalid factory "%s": the "service:method" notation is not available when using PHP-based DI configuration. Use "[service(\'%s\'), \'%s\']" instead.', $factory, $factoryParts[0], $factoryParts[1]));
        }

        if ($factory instanceof Expression) {
            $factory = '@='.$factory;
        }

        $this->definition->setFactory(static::processValue($factory, true));

        return $this;
    }
}