public function MemoryBackend::invalidate in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Cache/MemoryBackend.php \Drupal\Core\Cache\MemoryBackend::invalidate()
2. 10 core/lib/Drupal/Core/Cache/MemoryBackend.php \Drupal\Core\Cache\MemoryBackend::invalidate()

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/MemoryBackend.php, line 149

Class

MemoryBackend

Defines a memory cache implementation.

Namespace

Drupal\Core\Cache

Code

public function invalidate($cid) {
  if (isset($this->cache[$cid])) {
    $this->cache[$cid]->expire = $this
      ->getRequestTime() - 1;
  }
}