DoctrineEntityListenerPass.php

<?php

namespace Acme\DemoBundle\DependencyInjection\Compiler;

use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Reference;

class DoctrineEntityListenerPass implements CompilerPassInterface
{
    /**
     * {@inheritDoc}
     */
    public function process(ContainerBuilder $container)
    {
        $ems = $container->getParameter('doctrine.entity_managers');
        foreach ($ems as $name => $em) {
            $container->getDefinition(sprintf('doctrine.orm.%s_configuration', $name))
                ->addMethodCall('setEntityListenerResolver', [new Reference('acme_demo.doctrine.entity_listener_resolver')])
            ;
        }
        
        $definition = $container->getDefinition('acme_demo.doctrine.entity_listener_resolver');
        $services = $container->findTaggedServiceIds('doctrine.entity_listener');
        $parameterBag = $container->getParameterBag();

        foreach ($services as $service => $attributes) {
            $definition->addMethodCall(
                'addMapping',
                [$parameterBag->resolveValue($container->getDefinition($service)->getClass()), $service]
            );
        }
    }
}