ini_set("session.save_handler", "memcache");
ini_set("session.save_path","tcp://127.0.0.1:11211");
多个memcached
ini_set("session.save_path","tcp://127.0.0.1:11211，tcp://127.0.0.1:11211");
php session memcache
原文：http://www.cnblogs.com/agang-php/p/5523712.html
