:sig
bool memcache_set(u64 connection, String key, String value, u64 expires_in = 60*60)

:params
connection : connection handle
key : the entry's key
value : the value to be set
expires_in : optional expiration timeout, defaults to one hour
return value : true if the operation was successful

:desc
Stores a 'value' on the Memcache server.

:see
>memcache

:related
**PHP:** The `Memcache` or `Memcached` extension methods such as `get()`, `set()`, `delete()`, and `getMulti()`
**JavaScript / Node.js:** Node clients like `memjs`, `memcached`, or similar Memcached packages