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/ProtocolVersionCacheContext.php, line 27

Class

ProtocolVersionCacheContext

Defines the ProtocolVersionCacheContext service, for "per protocol" caching.

Namespace

Drupal\Core\Cache\Context

Code

public function getContext() {
  return $this->requestStack
    ->getCurrentRequest()
    ->getProtocolVersion();
}

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