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Quote:

Originally Posted by Yashas This is terrible. The fopen should be moved out. Why open and close a file for every chat message? This will cause a lot of I/O blocking and take a big toll on the performance. The server is forced to wait until the I/O request is cleared.

This tutorial is very old and of course not good, the guy just bumped it unnecessarily. There are way pretty much efficient tutorials other than that one.