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I'm prompted to ask by an answer to a related question. In APC-3.1.1 there was introduced the new flag apc.file_md5. Does anyone know what it currently does, or maybe what it's intended to do in future?

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I got curious and went looking, the only reference I could find was located in the 3.1 release changelog, attributed to Brian Shire, shire@php.net. Maybe he'll take a moment to reply to an email :)

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You know it never even occurred to me! Thanks, I'll see what I can find out. –  Andy Nov 15 '10 at 18:50
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I contacted Brian Shire and he said that it was developed as part of an internal push process to detect changed source files. So it is just an md5 at the moment! –  Andy Nov 17 '10 at 13:42
    
Whoa, nice! I might just enable that :) –  ben lemasurier Nov 17 '10 at 15:55
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Sorry, must've miscommunicated - currently it's *only* an md5 - APC doesn't do anything with it. It's the first step to doing what I'm after tho, so maybe it'll come along... –  Andy Nov 17 '10 at 19:15
    
Ah, right on, soon enough. –  ben lemasurier Nov 17 '10 at 22:48

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