Mercurial > hg > isophonics-drupal-site
view core/lib/Drupal/Core/Cache/NullBackend.php @ 13:5fb285c0d0e3
Update Drupal core to 8.4.7 via Composer. Security update; I *think* we've
been lucky to get away with this so far, as we don't support self-registration
which seems to be used by the so-called "drupalgeddon 2" attack that 8.4.5
was vulnerable to.
author | Chris Cannam |
---|---|
date | Mon, 23 Apr 2018 09:33:26 +0100 |
parents | 4c8ae668cc8c |
children |
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<?php namespace Drupal\Core\Cache; /** * Defines a stub cache implementation. * * The stub implementation is needed when database access is not yet available. * Because Drupal's caching system never requires that cached data be present, * these stub functions can short-circuit the process and sidestep the need for * any persistent storage. Using this cache implementation during normal * operations would have a negative impact on performance. * * This also can be used for testing purposes. * * @ingroup cache */ class NullBackend implements CacheBackendInterface { /** * Constructs a NullBackend object. * * @param string $bin * The cache bin for which the object is created. */ public function __construct($bin) {} /** * {@inheritdoc} */ public function get($cid, $allow_invalid = FALSE) { return FALSE; } /** * {@inheritdoc} */ public function getMultiple(&$cids, $allow_invalid = FALSE) { return []; } /** * {@inheritdoc} */ public function set($cid, $data, $expire = Cache::PERMANENT, array $tags = []) {} /** * {@inheritdoc} */ public function setMultiple(array $items = []) {} /** * {@inheritdoc} */ public function delete($cid) {} /** * {@inheritdoc} */ public function deleteMultiple(array $cids) {} /** * {@inheritdoc} */ public function deleteAll() {} /** * {@inheritdoc} */ public function invalidate($cid) {} /** * {@inheritdoc} */ public function invalidateMultiple(array $cids) {} /** * {@inheritdoc} */ public function invalidateAll() {} /** * {@inheritdoc} */ public function garbageCollection() {} /** * {@inheritdoc} */ public function removeBin() {} }