Returns the string representation of the cache context.

A cache context service's name is used as a token (placeholder) cache key, and is then replaced with the string returned by this method.

Return value

string The string representation of the cache context.

Overrides CacheContextInterface::getContext

File

core/lib/Drupal/Core/Cache/Context/PathParentCacheContext.php, line 27

Class

PathParentCacheContext

Defines a cache context service for path parents.

Namespace

Drupal\Core\Cache\Context

Code

public function getContext() {
  $request = $this->requestStack
    ->getCurrentRequest();
  $path_elements = explode('/', trim($request->getPathInfo(), '/'));
  array_pop($path_elements);
  return implode('/', $path_elements);
}

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