Predefined Constants

**Memcache Constants**
Name	Description
`MEMCACHE_COMPRESSED` (int)	Used to turn on-the-fly data compression on with Memcache::set(), Memcache::add() and Memcache::replace().
`MEMCACHE_HAVE_SESSION` (int)	1 if this Memcache session handler is available, 0 otherwise.
`MEMCACHE_USER1` (int)	Used to turn user-defined application flag on with Memcache::set(), Memcache::add() and Memcache::replace().
`MEMCACHE_USER2` (int)	Used to turn user-defined application flag on with Memcache::set(), Memcache::add() and Memcache::replace().
`MEMCACHE_USER3` (int)	Used to turn user-defined application flag on with Memcache::set(), Memcache::add() and Memcache::replace().
`MEMCACHE_USER4` (int)	Used to turn user-defined application flag on with Memcache::set(), Memcache::add() and Memcache::replace().

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Joan ¶

14 years ago

MEMCACHE_COMPRESSED=2
Using value of 1 produces serialization errors when retrieving values.