Predefined Constants
The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.
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YAC_VERSION
(string) -
YAC_MAX_KEY_LEN
(int) - Max length of a key could be, it is 48 bytes.
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YAC_MAX_VALUE_RAW_LEN
(int) -
YAC_MAX_RAW_COMPRESSED_LEN
(int) -
YAC_SERIALIZER_PHP
(int) - Use php serialize as serializer
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YAC_SERIALIZER_JSON
(int) - Use json as serializer(requrie --enable-json)
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YAC_SERIALIZER_IGBINARY
(int) - Use igbinary as serializer(require --enable-igbinary)
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YAC_SERIALIZER_MSGPACK
(int) - Use msgpack as serializer(require --enable-msgpack)
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YAC_SERIALIZER
(string) - Which serialzier is yac used