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I have been cleaning these up on my personal install of pligg. The problem is created when the program calls global variables and array variables without checking to see if they exist and/or if they have not having been filled with default values. These problems are all over the source. Hopefully some have been corrected in beta6
The ones I have tracked down would not cause problems with the running of the code. The code behaves correctly when the condition it is testing or referring to does not exist.
During beta testing and debugging, you want PHP to issue all warnings, etc, to help track down bugs. And they need to be tracked down. Not doing so, results in logs which are plugged with stupid warnings, making it harder to find those that relate to real problems.
After two weeks my error log is 5.16 megs and my access log 1.46 megs. Until these are all tracked down, the only thing you can do is zero out your error log from time to time. Mine generates so many errors, I just run tail to see if the latest ones are real -- or more references to non-existent variables.
I would love to run through beta6 and try to track down as much of this as I can -- but my weekend is very full and I will not have any time until sometime next week.
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