public ApcuBackend::getMultiple(&$cids, $allow_invalid = FALSE)
Returns data from the persistent cache when given an array of cache IDs.
Parameters
array $cids: An array of cache IDs for the data to retrieve. This is passed by reference, and will have the IDs successfully returned from cache removed.
bool $allow_invalid: (optional) If TRUE, cache items may be returned even if they have expired or been invalidated. Such items may sometimes be preferred, if the alternative is recalculating the value stored in the cache, especially if another concurrent thread is already recalculating the same value. The "valid" property of the returned objects indicates whether the items are valid or not. Defaults to FALSE.
Return value
array An array of cache item objects indexed by cache ID.
Overrides CacheBackendInterface::getMultiple
See also
\Drupal\Core\Cache\CacheBackendInterface::get()
File
- core/lib/Drupal/Core/Cache/ApcuBackend.php, line 81
Class
- ApcuBackend
- Stores cache items in the Alternative PHP Cache User Cache (APCu).
Namespace
Drupal\Core\Cache
Code
public function getMultiple(&$cids, $allow_invalid = FALSE) { // Translate the requested cache item IDs to APCu keys. $map = array(); foreach ($cids as $cid) { $map[$this->getApcuKey($cid)] = $cid; } $result = apcu_fetch(array_keys($map)); $cache = array(); if ($result) { foreach ($result as $key => $item) { $item = $this->prepareItem($item, $allow_invalid); if ($item) { $cache[$map[$key]] = $item; } } } unset($result); $cids = array_diff($cids, array_keys($cache)); return $cache; }
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