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Why is it not good to access $_SERVER[] directly in PHP?

elepil asked
Last Modified: 2015-03-17
I have a line like this in my php file:


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For some reason, Netbeans flags it with a yellow triangle warning to its left saying:

"Do not access Superglobal $_SERVER Array directly"

Can anyone please give me any explanation why accessing $_SERVER[] could be bad? Or is Netbeans just full of it?
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