/**
* This is a hack that works around http://forum.symfony-project.org/viewtopic.php?f=20&t=20821&start=0&sid=b55767dce5f8402ffeeeb91ad326ee87
*/
public static function getInstanceFromPool($key)
{
if (null !== $key) {
return parent::getInstanceFromPool($key);
} else {
return null;
}
}
/**
* Clear the instance pool.
*
* @return void
*/
public static function clearInstancePool()
{
self::$instances = array();
}
