:sig
String memcache_get(u64 connection, String key, String default_value = "")

:params
connection : connection handle
key : key string
default_value : optional default value
return value : value that was returned by the Memcache server

:desc
Retrieves a value from an existing connection to a 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