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Title : using global variables
Categories : Global Variables, PHP Update Picture
Zeev Suraski
Date : May 29th 1998
Grade : 1 of 5 (graded 1 times)
Viewed : 7934
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Question :

I noticed that variables like $PHP_SELF, $SERVER_NAME,
$REMOTE_HOST, $HTTP_REFFER, are a bit tricky to use,
You have to define them as global in EVERY function.

Answer :

Yes, either that or use the $GLOBALS array,
e.g. $GLOBALS["PHP_SELF"].

Question :

Is there a point in this?

Answer :

Yes, right now, PHP3 doesn't support script-wide
global variables.



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