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geethalakshmi	16 Jul, 2008 - 06:07 AM Post #1
New D.I.C Head Joined: 9 Apr, 2008 Posts: 13	I'm trying to access one of the standard CGI variables (such as $DOCUMENT_ROOT or $HTTP_REFERER) in a user-defined function, and it can't seem to find it. What's wrong? Regards, geetha Web Master Resources
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AdaHacker	16 Jul, 2008 - 06:58 AM Post #2
D.I.C Head Joined: 17 Jun, 2008 Posts: 112 Thanked 15 times My Contributions	You want to use the $_SERVER suberglobal for those, e.g. $_SERVER['DOCUMENT_ROOT'] and $_SERVER['HTTP_REFERER']. Using just $DOCUMENT_ROOT and $HTTP_REFERER only works if you have register_globals turned on in your php.ini. It's turned off by default and has been since PHP 4.2, as it has the potential to cause security problems.
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