Cache class. Uses Memcache as key/value store

gistfile1.txt

  <?php

	class CacheStore 
	{	
			const MEMCACHE = 'Memcache';
			static private $servers = NULL;

			static function setServer($type, $server, $port) {
				if (class_exists(self::MEMCACHE)) {
					if (self::$servers[$type] != NULL) {
						self::$servers[$type] = NULL;
					}
					
					$memcacheServer = new Memcache;
					
					if (@$memcacheServer->connect($server, $port)) {
						self::$servers[$type] = $memcacheServer;
					}
				} 
			}
			
			static function checkServer($type) {
				return self::$servers[$type];
			}
			
			static function getCache($type, $key) {
				return self::$servers[$type] != NULL ? self::$servers[$type]->get($key) : NULL;
			}
			
			static function setCache($type, $key, $value, $extend=FALSE, $length=3600) {
				if (self::$servers[$type] != NULL) {
					self::$servers[$type]->set($key, $value, $extend, $length);
				}
			}
			
			static function deleteCache($type, $key) {
				if (self::$servers[$type] != NULL) {
					self::$servers[$type]->delete($key);
				}
			}
	}