(PECL memcached >= 0.1.0)
Memcached::addServer — 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟�
$host
, int $port
[, int $weight = 0
] ) : bool
Memcached::addServer()锟斤拷锟斤拷指锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫★拷锟斤拷时锟斤拷锟结建锟斤拷锟斤拷锟斤拷锟剿碉拷锟斤拷锟接ｏ拷
锟斤拷锟角ｏ拷锟斤拷锟斤拷锟绞癸拷锟揭伙拷锟斤拷锟絢ey锟街诧拷选锟筋（Memcached::DISTRIBUTION_CONSISTENT锟斤拷
Memcached::OPT_LIBKETAMA_COMPATIBLE锟斤拷锟斤拷一些锟节诧拷锟斤拷锟斤拷锟捷结构锟斤拷锟结被锟斤拷锟铰★拷
锟斤拷耍锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟接讹拷台锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫的凤拷式锟斤拷使锟斤拷Memcached::addServers()
锟斤拷确锟斤拷锟斤拷锟街革拷锟斤拷只锟斤拷锟斤拷一锟轿★拷
同一台锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟节凤拷锟斤拷锟斤拷锟斤拷锟叫讹拷纬锟斤拷郑锟斤拷锟轿拷锟斤拷锟矫伙拷锟斤拷锟斤拷馗锟斤拷锟解。锟斤拷锟斤拷锟角诧拷锟狡硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥程拷锟斤拷锟斤拷锟�
权锟截碉拷锟斤拷锟斤拷锟斤拷使锟斤拷weight锟斤拷锟斤拷锟斤拷
host
memcached锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷效锟斤拷锟斤拷氐锟斤拷锟斤拷莶锟斤拷锟斤拷姆锟斤拷卮锟斤拷虢拷锟斤拷锟斤拷锟轿�Memcached::RES_HOST_LOOKUP_FAILURE锟斤拷
portmemcached锟斤拷锟斤拷硕丝诤牛锟酵拷锟斤拷锟�11211锟斤拷
weight锟剿凤拷锟斤拷锟斤拷锟斤拷锟斤拷诜锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷蟹锟斤拷锟斤拷锟斤拷锟饺拷亍锟斤拷瞬锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷品锟斤拷锟斤拷锟斤拷诓锟斤拷锟绞憋拷锟窖★拷值母锟斤拷省锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷 锟街诧拷选锟筋，锟斤拷锟斤拷锟斤拷锟街低拷锟斤拷锟斤拷煞锟斤拷锟剿凤拷锟斤拷锟斤拷诖锟斤拷锟斤拷锟斤拷玫摹锟�
锟缴癸拷时锟斤拷锟斤拷 TRUE锟斤拷 锟斤拷锟斤拷锟斤拷失锟斤拷时锟斤拷锟斤拷 FALSE锟斤拷
Example #1 Memcached::addServer() example
<?php
$m = new Memcached();
/* Add 2 servers, so that the second one
is twice as likely to be selected. */
$m->addServer('mem1.domain.com', 11211, 33);
$m->addServer('mem2.domain.com', 11211, 67);
?>