function 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

File

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

Class

MemoryBackend

Defines a memory cache implementation.

Namespace

Code

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