public function NullBackend::invalidate

public NullBackend::invalidate($cid)

Marks a cache item as invalid.

Invalid items may be returned in later calls to get(), if the $allow_invalid argument is TRUE.

Parameters

string $cid: The cache ID to invalidate.

Overrides CacheBackendInterface::invalidate

See also

\Drupal\Core\Cache\CacheBackendInterface::delete()

\Drupal\Core\Cache\CacheBackendInterface::invalidateMultiple()

\Drupal\Core\Cache\CacheBackendInterface::invalidateAll()

File

core/lib/Drupal/Core/Cache/NullBackend.php, line 70

Class

NullBackend
Defines a stub cache implementation.

Namespace

Drupal\Core\Cache

Code

public function invalidate($cid) {
}

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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Cache!NullBackend.php/function/NullBackend::invalidate/8.1.x