function MenuActiveTrailsCacheContext::getContext

Overrides CalculatedCacheContextInterface::getContext

File

core/lib/Drupal/Core/Cache/Context/MenuActiveTrailsCacheContext.php, line 32

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 = $this->menuActiveTrailService
        ->getActiveTrailIds($menu_name);
    return 'menu_trail.' . $menu_name . '|' . implode('|', $active_trail);
}