php memcache说明

$memcache = new Memcache ( );

$memcache->connect ( MEMCACHED_HOST, MEMCACHED_PORT ) or die ( "Could not connect" );//连接

$temp = $memcache->get ($key);//获得缓存内容

$memcache->delete ( $key );//删除缓存

$memcache->set($key,$data,MEMCACHED_FLAG,86400);//把data的内容写到 缓存总