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Bug #6191 Can't return global variable when defined with a dynamic name using eval
Submitted: 2000-08-15 22:21 UTC Modified: 2000-08-16 02:54 UTC
From: smaug at thegame dot com Assigned:
Status: Closed Package: Scripting Engine problem
PHP Version: 4.0.1pl2 OS: Windows 2000 Pro / Apache 1.3.12
Private report: No CVE-ID: None
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From: smaug at thegame dot com
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 [2000-08-15 22:21 UTC] smaug at thegame dot com 
this doesn't work:

function _global($___name) {
	eval('global $' . $___name . ';');
	eval('return $' . $___name . ';');
}


this version does:

function _global($___name) {
	eval('global $' . $___name . ';');
	eval('$___temp = $' . $___name . ';');
	return $___temp;
}

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 [2000-08-16 02:54 UTC] hholzgra@php.net 
a return in an eval() returns from the eval() itself,
not from the calling function

this would do:

function _global($___name) {
   eval('global $' . $___name . ';');
   return eval('return $' . $___name . ';');
}
 
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