给自己留个记录,免得又找不到。。。
<?php
$mc = new Memcached();
$mc->setOption(Memcached::OPT_BINARY_PROTOCOL, true);
$mc->addServer('127.0.0.1', 11211);
$mc->setSaslAuthData('user-name', 'pass-word');
$mc->set('foo', 'bar');
$value = $mc->get('foo');
echo $value;
?>