Implements Drupal\Core\Cache\CacheBackendInterface::getMultiple().
Overrides CacheBackendInterface::getMultiple
public function getMultiple(&$cids, $allow_invalid = FALSE) {
$ret = array();
$items = array_intersect_key($this->cache, array_flip($cids));
foreach ($items as $item) {
$item = $this
->prepareItem($item, $allow_invalid);
if ($item) {
$ret[$item->cid] = $item;
}
}
$cids = array_diff($cids, array_keys($ret));
return $ret;
}