/** * Resests instance cache * * @param string $sClassName class name in the cache * * @return null; */ public function resetInstanceCache($sClassName = null) { if ($sClassName && isset(self::$_aInstanceCache[$sClassName])) { unset(self::$_aInstanceCache[$sClassName]); return; } //looping due to possible memory "leak". if (is_array(self::$_aInstanceCache)) { foreach (self::$_aInstanceCache as $sKey => $oInstance) { unset(self::$_aInstanceCache[$sKey]); } } self::$_aInstanceCache = array(); }