(PECL yac >= 1.0.0)
Yac::info — Status of cache
この関数にはパラメータはありません。
Return an array, consistent with: "memory_size", "slots_memory_size", "values_memory_size", "segment_size", "segment_num", "miss", "hits", "fails", "kicks", "recycles", "slots_size", "slots_used"