memcached, APC, xcache

1 files changed, 95 insertions, 0 deletions

diff --git a/inc/cache.php b/inc/cache.php
new file mode 100644
index 00000000..8909deaf
--- /dev/null
+++ b/inc/cache.php
@@ -0,0 +1,95 @@
+<?php
+	class Cache {
+		private static $cache;
+		public static function init() {
+			global $config;
+			
+			switch($config['cache']['enabled']) {
+				case 'memcached':
+					self::$cache = new Memcached();
+					self::$cache->addServers($config['cache']['memcached']);
+					break;
+			}
+		}
+		public static function get($key) {
+			global $config, $debug;
+			
+			if(!self::$cache)
+				self::init();
+			
+			$data = false;
+			switch($config['cache']['enabled']) {
+				case 'memcached':
+					$data = self::$cache->get($key);
+					break;
+				case 'apc':
+					$data = apc_fetch($key);
+					break;
+				case 'xcache':
+					$data = xcache_get($key);
+					break;
+			}
+			
+			// debug
+			if($data && $config['debug']) {
+				$debug['cached'][] = $key;
+			}
+			
+			return $data;
+		}
+		public static function set($key, $value, $expires = false) {
+			global $config;
+			
+			if(!self::$cache)
+				self::init();
+			
+			if(!$expires)
+				$expires = $config['cache']['timeout'];
+			
+			switch($config['cache']['enabled']) {
+				case 'memcached':
+					self::$cache->set($key, $value, $expires);
+					break;
+				case 'apc':
+					apc_store($key, $value, $expires);
+					break;
+				case 'xcache':
+					xcache_set($key, $value, $expires);
+					break;
+			}			
+		}
+		public static function delete($key) {
+			global $config;
+			
+			if(!self::$cache)
+				self::init();
+			
+			switch($config['cache']['enabled']) {
+				case 'memcached':
+					self::$cache->delete($key);
+					break;
+				case 'apc':
+					apc_delete($key);
+					break;
+				case 'xcache':
+					xcache_unset($key);
+					break;
+			}
+		}
+		public static function flush() {
+			global $config;
+			
+			if(!self::$cache)
+				self::init();
+			
+			switch($config['cache']['enabled']) {
+				case 'memcached':
+					return self::$cache->flush();
+				case 'apc':
+					return apc_clear_cache();
+			}
+			
+			return false;
+		}
+	}
+