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Bug #12800 QUERY_STRING disappears inside function bodies
Submitted: 2001-08-16 16:44 UTC Modified: 2001-08-16 16:52 UTC
From: Frank dot Cornelis at rug dot ac dot be Assigned:
Status: Not a bug Package: Variables related
PHP Version: 4.0.6 OS: linux
Private report: No CVE-ID: None
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From: Frank dot Cornelis at rug dot ac dot be
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 [2001-08-16 16:44 UTC] Frank dot Cornelis at rug dot ac dot be 
In next PHP page test.php something weird happens:
<html><body>
<% // using asp_tags
	print "before call: $QUERY_STRING <br>";
	function do_it () {
		print "inside: $QUERY_STRING <br>";
	}
	do_it ();
	print "after call: $QUERY_STRING <br>";
%>
Note: variables comming from register_globals also
disappear inside the function.
<form action="test.php" method="get">
<input type="hidden" name="name" value="value">
<input type="button" value="< go back" onClick="history.back()">
<input type="submit" value="do it">
</form>
</body></html>

If it is the normal behavior of PHP to make the QUERY_STRING disappear inside function bodies, then please document it in the PHP manual. If it's really a bug...that's bad.

Please, let me know something asap.

Frank.

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 [2001-08-16 16:52 UTC] rasmus@php.net 
It is documented in the section on variable scope that you have to use the 'global' keyword to access a global variable from inside a function.
 
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