CalculatedCacheContextInterface::getContext

public CalculatedCacheContextInterface::getContext($parameter = NULL)

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.

Parameters

string|null $parameter: The parameter, or NULL to indicate all possible parameter values.

Return value

string The string representation of the cache context. When $parameter is NULL, a value representing all possible parameters must be generated.

Throws

\LogicException Thrown if the passed in parameter is invalid.

File

core/lib/Drupal/Core/Cache/Context/CalculatedCacheContextInterface.php, line 36

Class

CalculatedCacheContextInterface
Provides an interface for defining a calculated cache context service.

Namespace

Drupal\Core\Cache\Context

Code

public function getContext($parameter = NULL);
doc_Drupal
2016-10-29 08:49:38
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