Returns whether data exists for this key.

Parameters

string $key: Key that identifies the data.

1 method overrides CacheCollectorInterface::has()

CacheCollector::has in core/lib/Drupal/Core/Cache/CacheCollector.php

Returns whether data exists for this key.

File

core/lib/Drupal/Core/Cache/CacheCollectorInterface.php, line 62

Class

CacheCollectorInterface

Provides a caching wrapper to be used in place of large structures.

Namespace

Drupal\Core\Cache

Code

public function has($key);

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