protected DrupalKernel::getServicesToPersist(ContainerInterface $container)
Returns service instances to persist from an old container to a new one.
protected function getServicesToPersist(ContainerInterface $container) { $persist = array(); foreach ($container->getParameter('persist_ids') as $id) { // It's pointless to persist services not yet initialized. if ($container->initialized($id)) { $persist[$id] = $container->get($id); } } return $persist; }
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!DrupalKernel.php/function/DrupalKernel::getServicesToPersist/8.1.x