/**
*
* @param string $endpoint
* @throws Exception
* @return \Memcache\Connection
*/
public static function instance($endpoint = 'default')
{
if (!isset(self::$instances[$endpoint])) {
if (!self::$configs) {
self::$configs = (array) new \Config\Memcache();
}
$configs = self::$configs;
if (!isset(self::$configs[$endpoint])) {
throw new Exception('Config of "' . $endpoint . '" does not exist!', 100);
}
self::sanitizeConfig($configs[$endpoint]);
self::$instances[$endpoint] = self::connect($configs[$endpoint]);
}
return self::$instances[$endpoint];
}
