/**
* Getter for Cache instance
* Creates instance if called for the first time
* Creates MemcachedStorage if extension memcache exists
* Otherwise FileStorage Cache is created
* Triggers notice if config variable advertisememcached in perform block is not set to false
* @return Cache
*/
public static function getCache()
{
if (!self::$cache) {
$config = Environment::getConfig('perform');
if (extension_loaded('memcache')) {
self::$cache = new Cache(new MemcachedStorage($config->memcache_host, $config->memcache_port, $config->cache_prefix));
$namespace = self::$cache;
$namespace['test'] = true;
if ($namespace['test'] === true) {
return self::$cache;
}
}
self::$cache = Environment::getCache($config->cache_prefix);
if ($config->advertisememcached) {
trigger_error("FileCache enabled, use Memcached if possible. Turn off this warning by setting advertisememcached to false", E_USER_WARNING);
}
}
return self::$cache;
}
