public function MemoryBackend::invalidateAll in Drupal 9

Same name and namespace in other branches

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

Marks all cache items as invalid.

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

Overrides CacheBackendInterface::invalidateAll

See also

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

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

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

File

core/lib/Drupal/Core/Cache/MemoryBackend.php, line 179

Class

MemoryBackend

Defines a memory cache implementation.

Namespace

Drupal\Core\Cache

Code

public function invalidateAll() {
  foreach ($this->cache as $cid => $item) {
    $this->cache[$cid]->expire = $this
      ->getRequestTime() - 1;
  }
}