lainchan/inc/cache.php
2011-10-11 21:49:14 +11:00

107 lines
2.1 KiB
PHP

<?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($config['cache']['memcached']);
break;
case 'php':
self::$cache = Array();
break;
}
}
public static function get($key) {
global $config, $debug;
$data = false;
switch($config['cache']['enabled']) {
case 'memcached':
if(!self::$cache)
self::init();
$data = self::$cache->get($key);
break;
case 'apc':
$data = apc_fetch($key);
break;
case 'xcache':
$data = xcache_get($key);
break;
case 'php':
$data = isset(self::$cache[$key]) ? self::$cache[$key] : false;
break;
}
// debug
if($data && $config['debug']) {
$debug['cached'][] = $key;
}
return $data;
}
public static function set($key, $value, $expires = false) {
global $config;
if(!$expires)
$expires = $config['cache']['timeout'];
switch($config['cache']['enabled']) {
case 'memcached':
if(!self::$cache)
self::init();
self::$cache->set($key, $value, $expires);
break;
case 'apc':
apc_store($key, $value, $expires);
break;
case 'xcache':
xcache_set($key, $value, $expires);
break;
case 'php':
self::$cache[$key] = $value;
break;
}
}
public static function delete($key) {
global $config;
switch($config['cache']['enabled']) {
case 'memcached':
if(!self::$cache)
self::init();
self::$cache->delete($key);
break;
case 'apc':
apc_delete($key);
break;
case 'xcache':
xcache_unset($key);
break;
case 'php':
unset(self::$cache[$key]);
break;
}
}
public static function flush() {
global $config;
switch($config['cache']['enabled']) {
case 'memcached':
if(!self::$cache)
self::init();
return self::$cache->flush();
case 'apc':
return apc_clear_cache('user');
case 'php':
self::$cache[$key] = Array();
break;
}
return false;
}
}