function MenuActiveTrailsCacheContext::getContext

Same name in other branches
  1. 9 core/lib/Drupal/Core/Cache/Context/MenuActiveTrailsCacheContext.php \Drupal\Core\Cache\Context\MenuActiveTrailsCacheContext::getContext()
  2. 10 core/lib/Drupal/Core/Cache/Context/MenuActiveTrailsCacheContext.php \Drupal\Core\Cache\Context\MenuActiveTrailsCacheContext::getContext()
  3. 11.x core/lib/Drupal/Core/Cache/Context/MenuActiveTrailsCacheContext.php \Drupal\Core\Cache\Context\MenuActiveTrailsCacheContext::getContext()

Overrides CalculatedCacheContextInterface::getContext

File

core/lib/Drupal/Core/Cache/Context/MenuActiveTrailsCacheContext.php, line 29

Class

MenuActiveTrailsCacheContext
Defines the MenuActiveTrailsCacheContext service.

Namespace

Drupal\Core\Cache\Context

Code

public function getContext($menu_name = NULL) {
    if (!$menu_name) {
        throw new \LogicException('No menu name provided for menu.active_trails cache context.');
    }
    $active_trail = $this->container
        ->get('menu.active_trail')
        ->getActiveTrailIds($menu_name);
    return 'menu_trail.' . $menu_name . '|' . implode('|', $active_trail);
}

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