I've recently started working with Drupal 8. I'm looking for a way to programatically(no drupal console or other CLI thing) get a list of all the services available.

Since it's built on top of Symfony I figured that the container should have a list of all the available services. Well, I was wrong.

I've searched around and I can't find any specific answers, other than the CLI option, which is not what I'm looking for.

If anybody can point me in the right direction here, I'd be grateful.

  • To be honest, command line in Drupal 8 is almost a requirement for any development.
    – Kevin
    Commented Feb 7, 2017 at 14:01
  • Agreed. But it this particular case it's not useful. I'm working a module that requires a full list of services. I haven't figured out a way(without using shell_exec or something of the sort) to get said list of services.
    – Andrew
    Commented Feb 7, 2017 at 14:10

2 Answers 2


You can get all services from the container by using the kernel method getCachedContainerDefinition():

$container = \Drupal::getContainer();
$kernel = $container->get('kernel');
$services = $kernel->getCachedContainerDefinition()['services'];
foreach ($services as $service_id => $value) {
  $service_definition = unserialize($value);

Now you can output a list, for example containing the service id and the class name in $service_definition['class'].

  • Perfect. Works like a charm.
    – Andrew
    Commented Feb 7, 2017 at 14:26

You can use tags for services and can get list of services with same tag like this. I didn't test this code, but there is a method findTaggedServiceIds.

    class: Drupal\process_text\TextFilterService
      - { name: text_filter }

In your controller

//use Symfony\Component\DependencyInjection\ContainerBuilder;
public function process(ContainerBuilder $container) {
    $taggedServices = $container->findTaggedServiceIds('text_filter');
  • That's not really helping. What you wrote would imply knowing the alias for the service before hand, I don't know the aliases, hence I need a list of all services.
    – Andrew
    Commented Feb 7, 2017 at 14:14

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