Implements Drupal\Core\Cache\CacheBackendInterface::deleteTags().
Overrides CacheBackendInterface::deleteTags
public function deleteTags(array $tags) {
$flat_tags = $this
->flattenTags($tags);
foreach ($this->cache as $cid => $item) {
if (array_intersect($flat_tags, $item->tags)) {
unset($this->cache[$cid]);
}
}
}