protected function DrupalKernel::getContainerCacheKey

protected DrupalKernel::getContainerCacheKey()

Returns the container cache key based on the environment.

The 'environment' consists of:

• The kernel environment string.
• The Drupal version constant.
• The deployment identifier from settings.php. This allows custom deployments to force a container rebuild.
• The operating system running PHP. This allows compiler passes to optimize services for different operating systems.
• The paths to any additional container YAMLs from settings.php.

Return value

string The cache key used for the service container.

File

core/lib/Drupal/Core/DrupalKernel.php, line 767

Class

DrupalKernel

The DrupalKernel class is the core of Drupal itself.

Namespace

Drupal\Core

Code

protected function getContainerCacheKey() {
  $parts = array('service_container', $this->environment, \Drupal::VERSION, Settings::get('deployment_identifier'), PHP_OS, serialize(Settings::get('container_yamls')));
  return implode(':', $parts);
}