ContainerBuilder::shareService

protected ContainerBuilder::shareService(Definition $definition, $service, $id)

protected function shareService(Definition $definition, $service, $id) 
 {
  if ($definition->isShared() && self::SCOPE_PROTOTYPE !== $scope = $definition->getScope(false)) {
    if (self::SCOPE_CONTAINER !== $scope && !isset($this->scopedServices[$scope])) {
      throw new InactiveScopeException($id, $scope);
    }

    $this->services[$lowerId = strtolower($id)] = $service;

    if (self::SCOPE_CONTAINER !== $scope) {
      $this->scopedServices[$scope][$lowerId] = $service;
    }
  }
}