(PECL gearman >= 0.5.0)
GearmanClient::addServer — Add a job server to the client
Adds a job server to a list of servers that can be used to run a task. No socket I/O happens here; the server is simply added to the list.
任务服务器主机名。
任务服务器端口号。
成功时返回 TRUE， 或者在失败时返回 FALSE.
Example #1 Adding two job servers
<?php
# Create our client object.
$gmclient= new GearmanClient();
# Add two job servers, the first on the default 4730 port
$gmclient->addServer("10.0.0.1");
$gmclient->addServer("10.0.0.2", 7003);
?>