A couple of weeks ago I was working on a very tricky issue on ProxyManager. The problem is simple: instantiating ReflectionClass or ReflectionProperty is slow, and by slow, I mean really slow! The reason for this reasearch is that I'm trying to optimize a "hydrator" to work with larger data-sets by still keeping a low initialization overhead. PHP 5.4 to the rescue! PHP 5.4 comes with a new API for