PHP8 預(yù)定義常量

2023-10-16 15:20 更新

下列常量由此擴(kuò)展定義，且僅在此擴(kuò)展編譯入 PHP 或在運(yùn)行時動態(tài)載入時可用。

YAC_VERSION (string)
YAC_MAX_KEY_LEN (int): Max length of a key could be, it is 48 bytes.
YAC_MAX_VALUE_RAW_LEN (int)
YAC_MAX_RAW_COMPRESSED_LEN (int)
YAC_SERIALIZER_PHP (int): Use php serialize as serializer
YAC_SERIALIZER_JSON (int): Use json as serializer(requrie --enable-json)
YAC_SERIALIZER_IGBINARY (int): Use igbinary as serializer(require --enable-igbinary)
YAC_SERIALIZER_MSGPACK (int): Use msgpack as serializer(require --enable-msgpack)
YAC_SERIALIZER (string): Which serialzier is yac used

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