private function registerTaggedServices(
        ContainerBuilder $container,
        string $definitionId,
        string $tagName,
        $argumentIndex = 0
    ): bool {
        if (!$container->has($definitionId)) {
            return false;
        }

        $definition       = $container->findDefinition($definitionId);
        $taggedServiceIds = $container->findTaggedServiceIds($tagName);
        $services         = (array) $definition->getArgument($argumentIndex);

        foreach (array_keys($taggedServiceIds) as $serviceId) {
            $services[] = new Reference($serviceId);
        }

        $definition->replaceArgument(0, $services);

        return true;
    }
private function registerTaggedServices(
        ContainerBuilder $container,
        string $definitionId,
        string $tagName,
        $argumentIndex = 0
    ): bool {
        if (!$container->has($definitionId)) {
            return false;
        }

        $definition       = $container->findDefinition($definitionId);
        $taggedServiceIds = $container->findTaggedServiceIds($tagName);
        $services         = (array) $definition->getArgument($argumentIndex);

        foreach (array_keys($taggedServiceIds) as $serviceId) {
            $services[] = new Reference($serviceId);
        }

        $definition->replaceArgument(0, $services);

        return true;
    }
private function registerTaggedServices ( ContainerBuilder $ container , string $ definitionId , string $ tagName , $ argumentIndex = 0 ) : bool { if ( ! $ container -> has ( $ definitionId ) ) { return false ; } $ definition = $ container -> findDefinition ( $ definitionId ) ; $ taggedServiceIds = $ container -> findTaggedServiceIds ( $ tagName ) ; $ services = ( array ) $ definition -> getArgument ( $ argumentIndex ) ; foreach ( array_keys ( $ taggedServiceIds ) as $ serviceId ) { $ services [ ] = new Reference ( $ serviceId ) ; } $ definition -> replaceArgument ( 0 , $ services ) ; return true ; }
Register a tagged services to an definition argument. Returns false if service does not exist.

@param ContainerBuilder $container     Container builder.
@param string           $definitionId  Service definition id.
@param string           $tagName       Tag name.
@param int              $argumentIndex Index of the argument being replaced.

@return bool
Register a tagged services to an definition argument . Returns false if service does not exist .