(PECL memcached >= 0.1.0)
Memcached::setByKey — Store an item on a specific server
$server_key
, string $key
, mixed $value
[, int $expiration
] ) : bool
锟斤拷锟剿匡拷锟斤拷使锟斤拷server_key锟斤拷锟缴的斤拷key映锟戒到指锟斤拷锟斤拷锟斤拷锟斤拷锟解，
Memcached::setByKey()锟节癸拷锟斤拷锟较碉拷同锟斤拷Memcached::set()锟斤拷
(锟斤拷注: 锟斤拷锟斤拷*ByKey系锟叫凤拷锟斤拷锟斤拷$server_key锟侥癸拷锟斤拷原锟斤拷锟斤拷锟斤拷锟絘ddByKey锟斤拷锟斤拷锟侥碉拷)锟斤拷
server_key锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟金储达拷投锟饺≈碉拷姆锟斤拷锟斤拷锟斤拷锟矫伙拷薪锟绞碉拷实募锟斤拷锟缴拷械锟斤拷锟斤拷锟斤拷锟斤拷目锟斤拷锟斤拷锟斤拷锟节撅拷锟斤拷锟斤拷锟斤拷一锟斤拷 memcached 锟斤拷锟斤拷锟斤拷通锟斤拷时锟斤拷锟斤拷散锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷使锟矫癸拷锟斤拷锟斤拷锟斤拷目锟节碉拷一锟侥凤拷锟斤拷锟较憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟竭讹拷锟截诧拷锟斤拷锟斤拷效锟绞★拷
key锟斤拷锟节存储值锟侥硷拷锟斤拷锟斤拷
value锟芥储锟斤拷值锟斤拷
expiration锟斤拷锟斤拷时锟戒，默锟斤拷为 0锟斤拷 锟斤拷锟斤拷锟斤拷息锟斤拷渭锟�锟斤拷锟斤拷时锟斤拷锟斤拷
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
锟斤拷锟斤拷要锟斤拷使锟斤拷 Memcached::getResultCode()锟斤拷
Example #1 Memcached::setByKey() 示锟斤拷
<?php
$m = new Memcached();
$m->addServer('localhost', 11211);
/* 锟斤拷证block-ip系锟斤拷key锟侥存储锟斤拷同一台锟斤拷锟斤拷锟斤拷锟较★拷*/
$m->setByKey('api-cache', 'block-ip:169.254.253.252', 1);
$m->setByKey('api-cache', 'block-ip:169.127.127.202', 1);
?>