memcached is a high-performance, distributed memory object caching
system, generic in nature, but intended for use in speeding up dynamic
web applications by alleviating database load.

This extension uses libmemcached library to provide API for
communicating with memcached servers.

WWW: https://pecl.php.net/package/memcached
WWW: https://github.com/php-memcached-dev/php-memcached