function CPHPCacheMemcache()
{
if (!is_object(self::$obMemcache)) {
self::$obMemcache = new Memcache();
$arServerList = CPHPCacheMemcacheCluster::LoadConfig();
if (count($arServerList) == 1) {
$arServer = array_pop($arServerList);
self::$obMemcache->connect($arServer["HOST"], $arServer["PORT"]);
} else {
foreach ($arServerList as $arServer) {
self::$obMemcache->addServer($arServer["HOST"], $arServer["PORT"], true, $arServer["WEIGHT"] > 0 ? $arServer["WEIGHT"] : 1, 1);
}
}
}
if (defined("BX_CACHE_SID")) {
$this->sid = BX_MEMCACHE_CLUSTER . BX_CACHE_SID;
} else {
$this->sid = BX_MEMCACHE_CLUSTER;
}
if (defined("BX_CLUSTER_GROUP")) {
$this->bQueue = true;
}
}
function _new_cache_object()
{
static $cache_type = false;
if ($cache_type === false) {
$isOK = false;
if (file_exists($_SERVER["DOCUMENT_ROOT"] . BX_ROOT . "/modules/cluster/memcache.php")) {
include $_SERVER["DOCUMENT_ROOT"] . BX_ROOT . "/modules/cluster/memcache.php";
if (defined("BX_MEMCACHE_CLUSTER") && extension_loaded('memcache')) {
include_once $_SERVER["DOCUMENT_ROOT"] . BX_ROOT . "/modules/cluster/classes/general/memcache_cache.php";
$obCache = new CPHPCacheMemcacheCluster();
if ($obCache->IsAvailable()) {
$cache_type = "CPHPCacheMemcacheCluster";
$isOK = true;
}
}
}
//There is no cluster configuration
if ($cache_type === false) {
if (defined("BX_CACHE_TYPE")) {
switch (BX_CACHE_TYPE) {
case "memcache":
case "CPHPCacheMemcache":
if (extension_loaded('memcache') && defined("BX_MEMCACHE_HOST")) {
include_once $_SERVER["DOCUMENT_ROOT"] . BX_ROOT . "/modules/main/classes/general/cache_memcache.php";
$cache_type = "CPHPCacheMemcache";
}
break;
case "eaccelerator":
case "CPHPCacheEAccelerator":
if (extension_loaded('eaccelerator')) {
include_once $_SERVER["DOCUMENT_ROOT"] . BX_ROOT . "/modules/main/classes/general/cache_eaccelerator.php";
$cache_type = "CPHPCacheEAccelerator";
}
break;
case "apc":
case "CPHPCacheAPC":
if (extension_loaded('apc')) {
include_once $_SERVER["DOCUMENT_ROOT"] . BX_ROOT . "/modules/main/classes/general/cache_apc.php";
$cache_type = "CPHPCacheAPC";
}
break;
default:
if (defined("BX_CACHE_CLASS_FILE") && file_exists(BX_CACHE_CLASS_FILE)) {
include_once BX_CACHE_CLASS_FILE;
$cache_type = BX_CACHE_TYPE;
}
break;
}
} else {
include_once $_SERVER["DOCUMENT_ROOT"] . BX_ROOT . "/modules/main/classes/general/cache_files.php";
$cache_type = "CPHPCacheFiles";
}
}
//Probe the cache backend class
if (!$isOK && class_exists($cache_type)) {
$obCache = new $cache_type();
if ($obCache instanceof ICacheBackend) {
$isOK = $obCache->IsAvailable();
}
}
//Bulletproof files cache
if (!$isOK) {
include_once $_SERVER["DOCUMENT_ROOT"] . BX_ROOT . "/modules/main/classes/general/cache_files.php";
$cache_type = "CPHPCacheFiles";
}
}
$cache = new $cache_type();
return $cache;
}