- * @param $data serializable PHP object or array
- * @param array|\queue $options queue-dependent options; for example, if this is a
- * priority-queue, then $options might specify the item's priority
- *
- * @return bool, TRUE on success
+ * @param mixed $data
+ * Serializable PHP object or array.
+ * @param array $options
+ * Queue-dependent options; for example, if this is a
+ * priority-queue, then $options might specify the item's priority.