Retrieves data from the private update status cache table.
$cid: The cache ID to retrieve.
An array of data for the given cache ID, or NULL if the ID was not found.
function _update_cache_get($cid) {
$cache = db_query("SELECT data, created, expire, serialized FROM {cache_update} WHERE cid = :cid", array(
':cid' => $cid,
))
->fetchObject();
if (isset($cache->data)) {
if ($cache->serialized) {
$cache->data = unserialize($cache->data);
}
}
return $cache;
}