public CacheCollector::delete($key)
Deletes the element.
It depends on the specific case and implementation whether this has a permanent effect or if it just affects the current request.
string $key: Key that identifies the data.
Overrides CacheCollectorInterface::delete
public function delete($key) { $this->lazyLoadCache(); unset($this->storage[$key]); $this->keysToRemove[$key] = $key; // The key might have been marked for persisting. unset($this->keysToPersist[$key]); $this->invalidateCache(); }
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Cache!CacheCollector.php/function/CacheCollector::delete/8.1.x