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Re:Flickr: PHP4 vs PHP5 drop in CPU comparison by nuclear_eclipse on Friday May 08, 2009 @02:46PM (#600063)
> To the best of my knowledge, there was no changes to function parameters order. It's nearly all object-model stuff.

Now that I think about it, I'm wanting to say the parameter-order hoopla was centered around one of the point releases to 5.x, but I could be wrong.

Your compiler is an interesting topic though, and it seems similar to the "upgrade" scripts available for the Python 3 jump. Do you make the compiler publicly available, or no? Would be really nifty to see what all you handle in it.

Re:Flickr: PHP4 vs PHP5 drop in CPU comparison by chops on Friday May 08, 2009 @03:18PM (#600101)
I've venture a guess that "no, it's not publicly available", primarily since he mentioned that it's a very profitable part of his company.