It is very important to note when reading the information supplied by others on this page that there are two *distinct* memcache PHP implementations for the service "memcached".
1) pecl-memcache
2) pecl-memcached
This page is for the first, pecl-memcache.
If you are looking for pecl-memcached information, visit here:
http://www.php.net/manual/en/book.memcached.php