Note: only standard Zend objects are working now. This is definitely going to
break custom objects like COM, Java, etc. - this will be fixed later.
Also, this may break other things that access objects' internals directly.
- destructor could be run after its class was already dead. Right now
- object destructors is the first thing whic happens during shutdown in
- order to prevent this problem. It's very likely that destructors will
- cause more grief and we'll have to outline exactly when you should use
- them and what kind of logic you're allowed to do inside of them.
- This bug was reported by sebastian.
- will actually work well in the context of PHP so we should consider this
- as experimental. Possible problems might be that when the constructor is
- run PHP might not be in a stable state.