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I'm just wondering what the PHP 5 Code for $this = NULL inside of a class would be? I've never seen this before. But I saw it today inside of the fileupload class in osCommerce. It would seem that it is trying to destroy an instantiated object by Nulling it? .....???
afaik you should use only $this if you need a reference to the current object. I don't think dereferencing $this will actually work... (might be mistaken here)