Basic php methods for memcache caching

Basic php method for memcache operations complete instance for Memcache cache operations servier service ID

 Mem = new Memcache ();} /*** link to the memcahce service ** @ access private * @ param string $ key keyword * @ param string $ value cached content * @ return array * @ update http://www.lai18.com */Private function connect ($ sid) {$ file = $ this-> CacheFile (); require $ file; if (! Isset ($ cache) {throw new QException ('cache configuration file does not exist '. $ file) ;}$ server = $ cache [$ this-> cacheId]; $ sid = isset ($ sid) = 0? $ This-> sId: $ sid; // select if (! $ Server [$ sid]) {throw new QException ('Current cache server configuration file does not exist');} $ host = $ server [$ sid] ['host']; $ port = $ server [$ sid] ['port']; try {$ this-> mem-> connect ($ host, $ port);} catch (Exception $ e) {exit ('memecache connection failed, error message :'. $ e-> getMessage ());}} /*** write cache ** @ access private * @ param string $ key keyword * @ param string $ value cached content * @ return array */public function set ($ key, $ value, $ sid, $ expire = 0) {$ data = $ this-> get ($ key, $ sid); // if the key value if ($ data) already exists) {return $ this-> mem-> set ($ key, $ value, MEMCACHE_COMPRESSED, $ expire);} else {return $ this-> mem-> add ($ key, $ value, MEMCACHE_COMPRESSED, $ expire );}} /*** read cache ** @ access private * @ param string $ key keyword * @ param int $ sid select the number of memcache servers * @ return array */public function get ($ key, $ sid) {$ this-> connect ($ sid); return $ t His-> mem-> get ($ key);}/*** clean (delete) all elements that have been stored ** @ access private * @ return array */public function flush () {$ this-> connect (); return $ this-> mem-> flush ();} /*** delete cache ** @ access private * @ param string $ key keyword * @ param int $ sid select the number of memcache servers * @ return array */public function remove ($ key, $ sid) {$ this-> connect (); return $ this-> mem-> delete ($ key );} /* destructor * finally disable memcache */public fun Ction _ destruct () {/* if (! $ This-> mem) {$ this-> mem-> close ();}*/}}